Home / 12,693.08-17,516.24-7,027.70

Finding the Fourth Proportional to 12,693.08, 17,516.24 and 7,027.70

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Solution

The fourth proportional to 12,693.08, 17,516.24 and 7,027.70 is: 9,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,693.08 : 17,516.24 = 7,027.70 : x
  2. Step 2: Convert to fraction form
    12,693.08/17,516.24 = 7,027.70/x
  3. Step 3: Cross multiply
    12,693.08x = 17,516.24 × 7,027.70
  4. Step 4: Simplify right side
    12,693.08x = 123,098,757.13
  5. Step 5: Solve for x
    x = 123,098,757.13/12,693.08
  6. Step 6: Final answer
    x = 9,698.10

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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.