Home / 8,470.53-11,689.18-4,693.17

Finding the Fourth Proportional to 8,470.53, 11,689.18 and 4,693.17

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Solution

The fourth proportional to 8,470.53, 11,689.18 and 4,693.17 is: 6,476.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470.53 : 11,689.18 = 4,693.17 : x
  2. Step 2: Convert to fraction form
    8,470.53/11,689.18 = 4,693.17/x
  3. Step 3: Cross multiply
    8,470.53x = 11,689.18 × 4,693.17
  4. Step 4: Simplify right side
    8,470.53x = 54,859,308.90
  5. Step 5: Solve for x
    x = 54,859,308.90/8,470.53
  6. Step 6: Final answer
    x = 6,476.49

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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.