Home / 10,700.20-16,048.68-2,802.88

Finding the Fourth Proportional to 10,700.20, 16,048.68 and 2,802.88

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Solution

The fourth proportional to 10,700.20, 16,048.68 and 2,802.88 is: 4,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,700.20 : 16,048.68 = 2,802.88 : x
  2. Step 2: Convert to fraction form
    10,700.20/16,048.68 = 2,802.88/x
  3. Step 3: Cross multiply
    10,700.20x = 16,048.68 × 2,802.88
  4. Step 4: Simplify right side
    10,700.20x = 44,982,524.20
  5. Step 5: Solve for x
    x = 44,982,524.20/10,700.20
  6. Step 6: Final answer
    x = 4,203.90

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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.