Home / 11,168.20-16,752.30-10,001.80

Finding the Fourth Proportional to 11,168.20, 16,752.30 and 10,001.80

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Solution

The fourth proportional to 11,168.20, 16,752.30 and 10,001.80 is: 15,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.20 : 16,752.30 = 10,001.80 : x
  2. Step 2: Convert to fraction form
    11,168.20/16,752.30 = 10,001.80/x
  3. Step 3: Cross multiply
    11,168.20x = 16,752.30 × 10,001.80
  4. Step 4: Simplify right side
    11,168.20x = 167,553,154.14
  5. Step 5: Solve for x
    x = 167,553,154.14/11,168.20
  6. Step 6: Final answer
    x = 15,002.70

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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.