Home / 8,411.27-11,607.59-4,876.57

Finding the Fourth Proportional to 8,411.27, 11,607.59 and 4,876.57

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Solution

The fourth proportional to 8,411.27, 11,607.59 and 4,876.57 is: 6,729.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,411.27 : 11,607.59 = 4,876.57 : x
  2. Step 2: Convert to fraction form
    8,411.27/11,607.59 = 4,876.57/x
  3. Step 3: Cross multiply
    8,411.27x = 11,607.59 × 4,876.57
  4. Step 4: Simplify right side
    8,411.27x = 56,605,142.75
  5. Step 5: Solve for x
    x = 56,605,142.75/8,411.27
  6. Step 6: Final answer
    x = 6,729.68

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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.