Home / 8,916.13-12,304.74-4,937.41

Finding the Fourth Proportional to 8,916.13, 12,304.74 and 4,937.41

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Solution

The fourth proportional to 8,916.13, 12,304.74 and 4,937.41 is: 6,813.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916.13 : 12,304.74 = 4,937.41 : x
  2. Step 2: Convert to fraction form
    8,916.13/12,304.74 = 4,937.41/x
  3. Step 3: Cross multiply
    8,916.13x = 12,304.74 × 4,937.41
  4. Step 4: Simplify right side
    8,916.13x = 60,753,546.32
  5. Step 5: Solve for x
    x = 60,753,546.32/8,916.13
  6. Step 6: Final answer
    x = 6,813.89

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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.