Home / 6,612.56-9,117.96-4,251.44

Finding the Fourth Proportional to 6,612.56, 9,117.96 and 4,251.44

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Solution

The fourth proportional to 6,612.56, 9,117.96 and 4,251.44 is: 5,862.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.56 : 9,117.96 = 4,251.44 : x
  2. Step 2: Convert to fraction form
    6,612.56/9,117.96 = 4,251.44/x
  3. Step 3: Cross multiply
    6,612.56x = 9,117.96 × 4,251.44
  4. Step 4: Simplify right side
    6,612.56x = 38,764,459.86
  5. Step 5: Solve for x
    x = 38,764,459.86/6,612.56
  6. Step 6: Final answer
    x = 5,862.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.