Home / 8,747.42-13,124.01-3,551.90

Finding the Fourth Proportional to 8,747.42, 13,124.01 and 3,551.90

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Solution

The fourth proportional to 8,747.42, 13,124.01 and 3,551.90 is: 5,329.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.42 : 13,124.01 = 3,551.90 : x
  2. Step 2: Convert to fraction form
    8,747.42/13,124.01 = 3,551.90/x
  3. Step 3: Cross multiply
    8,747.42x = 13,124.01 × 3,551.90
  4. Step 4: Simplify right side
    8,747.42x = 46,615,171.12
  5. Step 5: Solve for x
    x = 46,615,171.12/8,747.42
  6. Step 6: Final answer
    x = 5,329.02

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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.