Home / 10,748.78-16,132.06-5,487.68

Finding the Fourth Proportional to 10,748.78, 16,132.06 and 5,487.68

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Solution

The fourth proportional to 10,748.78, 16,132.06 and 5,487.68 is: 8,236.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,748.78 : 16,132.06 = 5,487.68 : x
  2. Step 2: Convert to fraction form
    10,748.78/16,132.06 = 5,487.68/x
  3. Step 3: Cross multiply
    10,748.78x = 16,132.06 × 5,487.68
  4. Step 4: Simplify right side
    10,748.78x = 88,527,583.02
  5. Step 5: Solve for x
    x = 88,527,583.02/10,748.78
  6. Step 6: Final answer
    x = 8,236.06

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1.5x scale

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.