Home / 10,996.40-16,462.20-7,302.80

Finding the Fourth Proportional to 10,996.40, 16,462.20 and 7,302.80

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Solution

The fourth proportional to 10,996.40, 16,462.20 and 7,302.80 is: 10,932.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996.40 : 16,462.20 = 7,302.80 : x
  2. Step 2: Convert to fraction form
    10,996.40/16,462.20 = 7,302.80/x
  3. Step 3: Cross multiply
    10,996.40x = 16,462.20 × 7,302.80
  4. Step 4: Simplify right side
    10,996.40x = 120,220,154.16
  5. Step 5: Solve for x
    x = 120,220,154.16/10,996.40
  6. Step 6: Final answer
    x = 10,932.68

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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.