Home / 10,700.20-16,043.10-4,853.80

Finding the Fourth Proportional to 10,700.20, 16,043.10 and 4,853.80

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Solution

The fourth proportional to 10,700.20, 16,043.10 and 4,853.80 is: 7,277.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,700.20 : 16,043.10 = 4,853.80 : x
  2. Step 2: Convert to fraction form
    10,700.20/16,043.10 = 4,853.80/x
  3. Step 3: Cross multiply
    10,700.20x = 16,043.10 × 4,853.80
  4. Step 4: Simplify right side
    10,700.20x = 77,869,998.78
  5. Step 5: Solve for x
    x = 77,869,998.78/10,700.20
  6. Step 6: Final answer
    x = 7,277.43

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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.