Home / 10,084.31-15,124.01-3,158.81

Finding the Fourth Proportional to 10,084.31, 15,124.01 and 3,158.81

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Solution

The fourth proportional to 10,084.31, 15,124.01 and 3,158.81 is: 4,737.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,084.31 : 15,124.01 = 3,158.81 : x
  2. Step 2: Convert to fraction form
    10,084.31/15,124.01 = 3,158.81/x
  3. Step 3: Cross multiply
    10,084.31x = 15,124.01 × 3,158.81
  4. Step 4: Simplify right side
    10,084.31x = 47,773,782.61
  5. Step 5: Solve for x
    x = 47,773,782.61/10,084.31
  6. Step 6: Final answer
    x = 4,737.44

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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.