Home / 8,805.32-12,151.02-5,266.70

Finding the Fourth Proportional to 8,805.32, 12,151.02 and 5,266.70

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Solution

The fourth proportional to 8,805.32, 12,151.02 and 5,266.70 is: 7,267.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.32 : 12,151.02 = 5,266.70 : x
  2. Step 2: Convert to fraction form
    8,805.32/12,151.02 = 5,266.70/x
  3. Step 3: Cross multiply
    8,805.32x = 12,151.02 × 5,266.70
  4. Step 4: Simplify right side
    8,805.32x = 63,995,777.03
  5. Step 5: Solve for x
    x = 63,995,777.03/8,805.32
  6. Step 6: Final answer
    x = 7,267.85

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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.