Home / 11,752.20-17,629.10-3,432.20

Finding the Fourth Proportional to 11,752.20, 17,629.10 and 3,432.20

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Solution

The fourth proportional to 11,752.20, 17,629.10 and 3,432.20 is: 5,148.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,752.20 : 17,629.10 = 3,432.20 : x
  2. Step 2: Convert to fraction form
    11,752.20/17,629.10 = 3,432.20/x
  3. Step 3: Cross multiply
    11,752.20x = 17,629.10 × 3,432.20
  4. Step 4: Simplify right side
    11,752.20x = 60,506,597.02
  5. Step 5: Solve for x
    x = 60,506,597.02/11,752.20
  6. Step 6: Final answer
    x = 5,148.53

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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.