Home / 9,217.56-12,720.12-5,025.72

Finding the Fourth Proportional to 9,217.56, 12,720.12 and 5,025.72

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Solution

The fourth proportional to 9,217.56, 12,720.12 and 5,025.72 is: 6,935.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217.56 : 12,720.12 = 5,025.72 : x
  2. Step 2: Convert to fraction form
    9,217.56/12,720.12 = 5,025.72/x
  3. Step 3: Cross multiply
    9,217.56x = 12,720.12 × 5,025.72
  4. Step 4: Simplify right side
    9,217.56x = 63,927,761.49
  5. Step 5: Solve for x
    x = 63,927,761.49/9,217.56
  6. Step 6: Final answer
    x = 6,935.43

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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.