Home / 10,781.67-14,876.46-6,304.54

Finding the Fourth Proportional to 10,781.67, 14,876.46 and 6,304.54

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Solution

The fourth proportional to 10,781.67, 14,876.46 and 6,304.54 is: 8,698.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781.67 : 14,876.46 = 6,304.54 : x
  2. Step 2: Convert to fraction form
    10,781.67/14,876.46 = 6,304.54/x
  3. Step 3: Cross multiply
    10,781.67x = 14,876.46 × 6,304.54
  4. Step 4: Simplify right side
    10,781.67x = 93,789,237.13
  5. Step 5: Solve for x
    x = 93,789,237.13/10,781.67
  6. Step 6: Final answer
    x = 8,698.95

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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.