Home / 11,572.31-17,358.48-2,807.24

Finding the Fourth Proportional to 11,572.31, 17,358.48 and 2,807.24

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Solution

The fourth proportional to 11,572.31, 17,358.48 and 2,807.24 is: 4,210.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,572.31 : 17,358.48 = 2,807.24 : x
  2. Step 2: Convert to fraction form
    11,572.31/17,358.48 = 2,807.24/x
  3. Step 3: Cross multiply
    11,572.31x = 17,358.48 × 2,807.24
  4. Step 4: Simplify right side
    11,572.31x = 48,729,419.40
  5. Step 5: Solve for x
    x = 48,729,419.40/11,572.31
  6. Step 6: Final answer
    x = 4,210.86

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.