Home / 9,935.90-13,711.52-5,398.59

Finding the Fourth Proportional to 9,935.90, 13,711.52 and 5,398.59

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Solution

The fourth proportional to 9,935.90, 13,711.52 and 5,398.59 is: 7,450.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,935.90 : 13,711.52 = 5,398.59 : x
  2. Step 2: Convert to fraction form
    9,935.90/13,711.52 = 5,398.59/x
  3. Step 3: Cross multiply
    9,935.90x = 13,711.52 × 5,398.59
  4. Step 4: Simplify right side
    9,935.90x = 74,022,874.76
  5. Step 5: Solve for x
    x = 74,022,874.76/9,935.90
  6. Step 6: Final answer
    x = 7,450.04

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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.