Home / 11,324.28-16,987.77-5,476.69

Finding the Fourth Proportional to 11,324.28, 16,987.77 and 5,476.69

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Solution

The fourth proportional to 11,324.28, 16,987.77 and 5,476.69 is: 8,215.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,324.28 : 16,987.77 = 5,476.69 : x
  2. Step 2: Convert to fraction form
    11,324.28/16,987.77 = 5,476.69/x
  3. Step 3: Cross multiply
    11,324.28x = 16,987.77 × 5,476.69
  4. Step 4: Simplify right side
    11,324.28x = 93,036,707.61
  5. Step 5: Solve for x
    x = 93,036,707.61/11,324.28
  6. Step 6: Final answer
    x = 8,215.68

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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.