Home / 10,114.56-15,168.87-3,539.52

Finding the Fourth Proportional to 10,114.56, 15,168.87 and 3,539.52

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Solution

The fourth proportional to 10,114.56, 15,168.87 and 3,539.52 is: 5,308.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,114.56 : 15,168.87 = 3,539.52 : x
  2. Step 2: Convert to fraction form
    10,114.56/15,168.87 = 3,539.52/x
  3. Step 3: Cross multiply
    10,114.56x = 15,168.87 × 3,539.52
  4. Step 4: Simplify right side
    10,114.56x = 53,690,518.74
  5. Step 5: Solve for x
    x = 53,690,518.74/10,114.56
  6. Step 6: Final answer
    x = 5,308.24

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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.