Home / 9,695.10-13,380.71-5,920.47

Finding the Fourth Proportional to 9,695.10, 13,380.71 and 5,920.47

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Solution

The fourth proportional to 9,695.10, 13,380.71 and 5,920.47 is: 8,171.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,695.10 : 13,380.71 = 5,920.47 : x
  2. Step 2: Convert to fraction form
    9,695.10/13,380.71 = 5,920.47/x
  3. Step 3: Cross multiply
    9,695.10x = 13,380.71 × 5,920.47
  4. Step 4: Simplify right side
    9,695.10x = 79,220,092.13
  5. Step 5: Solve for x
    x = 79,220,092.13/9,695.10
  6. Step 6: Final answer
    x = 8,171.15

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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.