Home / 10,125.27-15,188.00-3,551.45

Finding the Fourth Proportional to 10,125.27, 15,188.00 and 3,551.45

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Solution

The fourth proportional to 10,125.27, 15,188.00 and 3,551.45 is: 5,327.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.27 : 15,188.00 = 3,551.45 : x
  2. Step 2: Convert to fraction form
    10,125.27/15,188.00 = 3,551.45/x
  3. Step 3: Cross multiply
    10,125.27x = 15,188.00 × 3,551.45
  4. Step 4: Simplify right side
    10,125.27x = 53,939,328.90
  5. Step 5: Solve for x
    x = 53,939,328.90/10,125.27
  6. Step 6: Final answer
    x = 5,327.20

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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.