Home / 10,132.56-15,199.20-3,206.88

Finding the Fourth Proportional to 10,132.56, 15,199.20 and 3,206.88

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Solution

The fourth proportional to 10,132.56, 15,199.20 and 3,206.88 is: 4,810.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.56 : 15,199.20 = 3,206.88 : x
  2. Step 2: Convert to fraction form
    10,132.56/15,199.20 = 3,206.88/x
  3. Step 3: Cross multiply
    10,132.56x = 15,199.20 × 3,206.88
  4. Step 4: Simplify right side
    10,132.56x = 48,742,010.50
  5. Step 5: Solve for x
    x = 48,742,010.50/10,132.56
  6. Step 6: Final answer
    x = 4,810.43

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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.