Home / 9,086.28-12,541.20-5,362.44

Finding the Fourth Proportional to 9,086.28, 12,541.20 and 5,362.44

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Solution

The fourth proportional to 9,086.28, 12,541.20 and 5,362.44 is: 7,401.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,086.28 : 12,541.20 = 5,362.44 : x
  2. Step 2: Convert to fraction form
    9,086.28/12,541.20 = 5,362.44/x
  3. Step 3: Cross multiply
    9,086.28x = 12,541.20 × 5,362.44
  4. Step 4: Simplify right side
    9,086.28x = 67,251,432.53
  5. Step 5: Solve for x
    x = 67,251,432.53/9,086.28
  6. Step 6: Final answer
    x = 7,401.43

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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.