Home / 11,757.20-16,225.28-6,722.24

Finding the Fourth Proportional to 11,757.20, 16,225.28 and 6,722.24

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Solution

The fourth proportional to 11,757.20, 16,225.28 and 6,722.24 is: 9,276.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,757.20 : 16,225.28 = 6,722.24 : x
  2. Step 2: Convert to fraction form
    11,757.20/16,225.28 = 6,722.24/x
  3. Step 3: Cross multiply
    11,757.20x = 16,225.28 × 6,722.24
  4. Step 4: Simplify right side
    11,757.20x = 109,070,226.23
  5. Step 5: Solve for x
    x = 109,070,226.23/11,757.20
  6. Step 6: Final answer
    x = 9,276.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.