Home / 9,761.18-13,470.13-5,512.17

Finding the Fourth Proportional to 9,761.18, 13,470.13 and 5,512.17

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Solution

The fourth proportional to 9,761.18, 13,470.13 and 5,512.17 is: 7,606.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,761.18 : 13,470.13 = 5,512.17 : x
  2. Step 2: Convert to fraction form
    9,761.18/13,470.13 = 5,512.17/x
  3. Step 3: Cross multiply
    9,761.18x = 13,470.13 × 5,512.17
  4. Step 4: Simplify right side
    9,761.18x = 74,249,618.92
  5. Step 5: Solve for x
    x = 74,249,618.92/9,761.18
  6. Step 6: Final answer
    x = 7,606.63

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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.