Home / 10,102.04-15,142.53-5,938.64

Finding the Fourth Proportional to 10,102.04, 15,142.53 and 5,938.64

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Solution

The fourth proportional to 10,102.04, 15,142.53 and 5,938.64 is: 8,901.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.04 : 15,142.53 = 5,938.64 : x
  2. Step 2: Convert to fraction form
    10,102.04/15,142.53 = 5,938.64/x
  3. Step 3: Cross multiply
    10,102.04x = 15,142.53 × 5,938.64
  4. Step 4: Simplify right side
    10,102.04x = 89,926,034.36
  5. Step 5: Solve for x
    x = 89,926,034.36/10,102.04
  6. Step 6: Final answer
    x = 8,901.77

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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.