Home / 12,459.11-17,193.31-6,793.91

Finding the Fourth Proportional to 12,459.11, 17,193.31 and 6,793.91

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Solution

The fourth proportional to 12,459.11, 17,193.31 and 6,793.91 is: 9,375.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459.11 : 17,193.31 = 6,793.91 : x
  2. Step 2: Convert to fraction form
    12,459.11/17,193.31 = 6,793.91/x
  3. Step 3: Cross multiply
    12,459.11x = 17,193.31 × 6,793.91
  4. Step 4: Simplify right side
    12,459.11x = 116,809,766.77
  5. Step 5: Solve for x
    x = 116,809,766.77/12,459.11
  6. Step 6: Final answer
    x = 9,375.45

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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.