Home / 11,634.47-17,320.12-11,565.28

Finding the Fourth Proportional to 11,634.47, 17,320.12 and 11,565.28

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Solution

The fourth proportional to 11,634.47, 17,320.12 and 11,565.28 is: 17,217.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,634.47 : 17,320.12 = 11,565.28 : x
  2. Step 2: Convert to fraction form
    11,634.47/17,320.12 = 11,565.28/x
  3. Step 3: Cross multiply
    11,634.47x = 17,320.12 × 11,565.28
  4. Step 4: Simplify right side
    11,634.47x = 200,312,030.27
  5. Step 5: Solve for x
    x = 200,312,030.27/11,634.47
  6. Step 6: Final answer
    x = 17,217.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.