Home / 7,645.33-10,534.74-6,147.23

Finding the Fourth Proportional to 7,645.33, 10,534.74 and 6,147.23

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Solution

The fourth proportional to 7,645.33, 10,534.74 and 6,147.23 is: 8,470.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645.33 : 10,534.74 = 6,147.23 : x
  2. Step 2: Convert to fraction form
    7,645.33/10,534.74 = 6,147.23/x
  3. Step 3: Cross multiply
    7,645.33x = 10,534.74 × 6,147.23
  4. Step 4: Simplify right side
    7,645.33x = 64,759,469.77
  5. Step 5: Solve for x
    x = 64,759,469.77/7,645.33
  6. Step 6: Final answer
    x = 8,470.46

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Find fourth proportional to 3,822.67, 5,267.37 and 3,073.62
Half scale
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Double scale
Find fourth proportional to 7,646.33, 10,536.12 and 6,148.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.