Home / 9,691.24-13,371.86-5,710.92

Finding the Fourth Proportional to 9,691.24, 13,371.86 and 5,710.92

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Solution

The fourth proportional to 9,691.24, 13,371.86 and 5,710.92 is: 7,879.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,691.24 : 13,371.86 = 5,710.92 : x
  2. Step 2: Convert to fraction form
    9,691.24/13,371.86 = 5,710.92/x
  3. Step 3: Cross multiply
    9,691.24x = 13,371.86 × 5,710.92
  4. Step 4: Simplify right side
    9,691.24x = 76,365,622.71
  5. Step 5: Solve for x
    x = 76,365,622.71/9,691.24
  6. Step 6: Final answer
    x = 7,879.86

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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.