Home / 8,266.92-11,407.86-4,909.56

Finding the Fourth Proportional to 8,266.92, 11,407.86 and 4,909.56

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Solution

The fourth proportional to 8,266.92, 11,407.86 and 4,909.56 is: 6,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.92 : 11,407.86 = 4,909.56 : x
  2. Step 2: Convert to fraction form
    8,266.92/11,407.86 = 4,909.56/x
  3. Step 3: Cross multiply
    8,266.92x = 11,407.86 × 4,909.56
  4. Step 4: Simplify right side
    8,266.92x = 56,007,573.14
  5. Step 5: Solve for x
    x = 56,007,573.14/8,266.92
  6. Step 6: Final answer
    x = 6,774.90

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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.