Home / 6,865.12-9,473.70-3,721.33

Finding the Fourth Proportional to 6,865.12, 9,473.70 and 3,721.33

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Solution

The fourth proportional to 6,865.12, 9,473.70 and 3,721.33 is: 5,135.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.12 : 9,473.70 = 3,721.33 : x
  2. Step 2: Convert to fraction form
    6,865.12/9,473.70 = 3,721.33/x
  3. Step 3: Cross multiply
    6,865.12x = 9,473.70 × 3,721.33
  4. Step 4: Simplify right side
    6,865.12x = 35,254,764.02
  5. Step 5: Solve for x
    x = 35,254,764.02/6,865.12
  6. Step 6: Final answer
    x = 5,135.35

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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.