Home / 8,077.11-11,146.58-4,722.49

Finding the Fourth Proportional to 8,077.11, 11,146.58 and 4,722.49

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Solution

The fourth proportional to 8,077.11, 11,146.58 and 4,722.49 is: 6,517.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077.11 : 11,146.58 = 4,722.49 : x
  2. Step 2: Convert to fraction form
    8,077.11/11,146.58 = 4,722.49/x
  3. Step 3: Cross multiply
    8,077.11x = 11,146.58 × 4,722.49
  4. Step 4: Simplify right side
    8,077.11x = 52,639,612.58
  5. Step 5: Solve for x
    x = 52,639,612.58/8,077.11
  6. Step 6: Final answer
    x = 6,517.13

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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.