Home / 6,200.36-9,343.17-5,128.73

Finding the Fourth Proportional to 6,200.36, 9,343.17 and 5,128.73

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Solution

The fourth proportional to 6,200.36, 9,343.17 and 5,128.73 is: 7,728.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,200.36 : 9,343.17 = 5,128.73 : x
  2. Step 2: Convert to fraction form
    6,200.36/9,343.17 = 5,128.73/x
  3. Step 3: Cross multiply
    6,200.36x = 9,343.17 × 5,128.73
  4. Step 4: Simplify right side
    6,200.36x = 47,918,570.63
  5. Step 5: Solve for x
    x = 47,918,570.63/6,200.36
  6. Step 6: Final answer
    x = 7,728.35

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.