Home / 11,471.52-17,178.12-7,564.08

Finding the Fourth Proportional to 11,471.52, 17,178.12 and 7,564.08

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Solution

The fourth proportional to 11,471.52, 17,178.12 and 7,564.08 is: 11,326.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,471.52 : 17,178.12 = 7,564.08 : x
  2. Step 2: Convert to fraction form
    11,471.52/17,178.12 = 7,564.08/x
  3. Step 3: Cross multiply
    11,471.52x = 17,178.12 × 7,564.08
  4. Step 4: Simplify right side
    11,471.52x = 129,936,673.93
  5. Step 5: Solve for x
    x = 129,936,673.93/11,471.52
  6. Step 6: Final answer
    x = 11,326.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.