Home / 10,374.39-15,541.20-6,853.73

Finding the Fourth Proportional to 10,374.39, 15,541.20 and 6,853.73

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Solution

The fourth proportional to 10,374.39, 15,541.20 and 6,853.73 is: 10,267.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,374.39 : 15,541.20 = 6,853.73 : x
  2. Step 2: Convert to fraction form
    10,374.39/15,541.20 = 6,853.73/x
  3. Step 3: Cross multiply
    10,374.39x = 15,541.20 × 6,853.73
  4. Step 4: Simplify right side
    10,374.39x = 106,515,110.97
  5. Step 5: Solve for x
    x = 106,515,110.97/10,374.39
  6. Step 6: Final answer
    x = 10,267.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.