Home / 10,329.25-15,487.72-4,090.16

Finding the Fourth Proportional to 10,329.25, 15,487.72 and 4,090.16

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Solution

The fourth proportional to 10,329.25, 15,487.72 and 4,090.16 is: 6,132.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329.25 : 15,487.72 = 4,090.16 : x
  2. Step 2: Convert to fraction form
    10,329.25/15,487.72 = 4,090.16/x
  3. Step 3: Cross multiply
    10,329.25x = 15,487.72 × 4,090.16
  4. Step 4: Simplify right side
    10,329.25x = 63,347,154.95
  5. Step 5: Solve for x
    x = 63,347,154.95/10,329.25
  6. Step 6: Final answer
    x = 6,132.79

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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.