Home / 12,502.28-17,253.38-7,198.12

Finding the Fourth Proportional to 12,502.28, 17,253.38 and 7,198.12

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Solution

The fourth proportional to 12,502.28, 17,253.38 and 7,198.12 is: 9,933.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502.28 : 17,253.38 = 7,198.12 : x
  2. Step 2: Convert to fraction form
    12,502.28/17,253.38 = 7,198.12/x
  3. Step 3: Cross multiply
    12,502.28x = 17,253.38 × 7,198.12
  4. Step 4: Simplify right side
    12,502.28x = 124,191,899.65
  5. Step 5: Solve for x
    x = 124,191,899.65/12,502.28
  6. Step 6: Final answer
    x = 9,933.54

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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.