Home / 9,247.92-12,761.08-5,471.20

Finding the Fourth Proportional to 9,247.92, 12,761.08 and 5,471.20

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Solution

The fourth proportional to 9,247.92, 12,761.08 and 5,471.20 is: 7,549.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,247.92 : 12,761.08 = 5,471.20 : x
  2. Step 2: Convert to fraction form
    9,247.92/12,761.08 = 5,471.20/x
  3. Step 3: Cross multiply
    9,247.92x = 12,761.08 × 5,471.20
  4. Step 4: Simplify right side
    9,247.92x = 69,818,420.90
  5. Step 5: Solve for x
    x = 69,818,420.90/9,247.92
  6. Step 6: Final answer
    x = 7,549.64

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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.