Home / 11,973.07-16,514.92-7,489.04

Finding the Fourth Proportional to 11,973.07, 16,514.92 and 7,489.04

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Solution

The fourth proportional to 11,973.07, 16,514.92 and 7,489.04 is: 10,329.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,973.07 : 16,514.92 = 7,489.04 : x
  2. Step 2: Convert to fraction form
    11,973.07/16,514.92 = 7,489.04/x
  3. Step 3: Cross multiply
    11,973.07x = 16,514.92 × 7,489.04
  4. Step 4: Simplify right side
    11,973.07x = 123,680,896.48
  5. Step 5: Solve for x
    x = 123,680,896.48/11,973.07
  6. Step 6: Final answer
    x = 10,329.92

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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.