Home / 8,752.44-12,082.32-5,612.88

Finding the Fourth Proportional to 8,752.44, 12,082.32 and 5,612.88

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Solution

The fourth proportional to 8,752.44, 12,082.32 and 5,612.88 is: 7,748.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.44 : 12,082.32 = 5,612.88 : x
  2. Step 2: Convert to fraction form
    8,752.44/12,082.32 = 5,612.88/x
  3. Step 3: Cross multiply
    8,752.44x = 12,082.32 × 5,612.88
  4. Step 4: Simplify right side
    8,752.44x = 67,816,612.28
  5. Step 5: Solve for x
    x = 67,816,612.28/8,752.44
  6. Step 6: Final answer
    x = 7,748.31

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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.