Home / 8,266.66-11,407.03-4,909.61

Finding the Fourth Proportional to 8,266.66, 11,407.03 and 4,909.61

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Solution

The fourth proportional to 8,266.66, 11,407.03 and 4,909.61 is: 6,774.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.66 : 11,407.03 = 4,909.61 : x
  2. Step 2: Convert to fraction form
    8,266.66/11,407.03 = 4,909.61/x
  3. Step 3: Cross multiply
    8,266.66x = 11,407.03 × 4,909.61
  4. Step 4: Simplify right side
    8,266.66x = 56,004,084.80
  5. Step 5: Solve for x
    x = 56,004,084.80/8,266.66
  6. Step 6: Final answer
    x = 6,774.70

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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.