Home / 10,673.20-16,009.80-5,125.22

Finding the Fourth Proportional to 10,673.20, 16,009.80 and 5,125.22

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Solution

The fourth proportional to 10,673.20, 16,009.80 and 5,125.22 is: 7,687.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,673.20 : 16,009.80 = 5,125.22 : x
  2. Step 2: Convert to fraction form
    10,673.20/16,009.80 = 5,125.22/x
  3. Step 3: Cross multiply
    10,673.20x = 16,009.80 × 5,125.22
  4. Step 4: Simplify right side
    10,673.20x = 82,053,747.16
  5. Step 5: Solve for x
    x = 82,053,747.16/10,673.20
  6. Step 6: Final answer
    x = 7,687.83

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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.