Home / 8,774.28-12,108.66-4,795.56

Finding the Fourth Proportional to 8,774.28, 12,108.66 and 4,795.56

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Solution

The fourth proportional to 8,774.28, 12,108.66 and 4,795.56 is: 6,617.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.28 : 12,108.66 = 4,795.56 : x
  2. Step 2: Convert to fraction form
    8,774.28/12,108.66 = 4,795.56/x
  3. Step 3: Cross multiply
    8,774.28x = 12,108.66 × 4,795.56
  4. Step 4: Simplify right side
    8,774.28x = 58,067,805.55
  5. Step 5: Solve for x
    x = 58,067,805.55/8,774.28
  6. Step 6: Final answer
    x = 6,617.96

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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.