Home / 10,132.70-15,188.67-4,213.02

Finding the Fourth Proportional to 10,132.70, 15,188.67 and 4,213.02

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Solution

The fourth proportional to 10,132.70, 15,188.67 and 4,213.02 is: 6,315.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.70 : 15,188.67 = 4,213.02 : x
  2. Step 2: Convert to fraction form
    10,132.70/15,188.67 = 4,213.02/x
  3. Step 3: Cross multiply
    10,132.70x = 15,188.67 × 4,213.02
  4. Step 4: Simplify right side
    10,132.70x = 63,990,170.48
  5. Step 5: Solve for x
    x = 63,990,170.48/10,132.70
  6. Step 6: Final answer
    x = 6,315.21

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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.