Home / 11,711.30-16,124.13-9,480.56

Finding the Fourth Proportional to 11,711.30, 16,124.13 and 9,480.56

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Solution

The fourth proportional to 11,711.30, 16,124.13 and 9,480.56 is: 13,052.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711.30 : 16,124.13 = 9,480.56 : x
  2. Step 2: Convert to fraction form
    11,711.30/16,124.13 = 9,480.56/x
  3. Step 3: Cross multiply
    11,711.30x = 16,124.13 × 9,480.56
  4. Step 4: Simplify right side
    11,711.30x = 152,865,701.29
  5. Step 5: Solve for x
    x = 152,865,701.29/11,711.30
  6. Step 6: Final answer
    x = 13,052.84

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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.