Home / 9,972.29-13,761.85-5,496.20

Finding the Fourth Proportional to 9,972.29, 13,761.85 and 5,496.20

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Solution

The fourth proportional to 9,972.29, 13,761.85 and 5,496.20 is: 7,584.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,972.29 : 13,761.85 = 5,496.20 : x
  2. Step 2: Convert to fraction form
    9,972.29/13,761.85 = 5,496.20/x
  3. Step 3: Cross multiply
    9,972.29x = 13,761.85 × 5,496.20
  4. Step 4: Simplify right side
    9,972.29x = 75,637,879.97
  5. Step 5: Solve for x
    x = 75,637,879.97/9,972.29
  6. Step 6: Final answer
    x = 7,584.81

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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.