Home / 12,607.85-18,910.33-3,373.13

Finding the Fourth Proportional to 12,607.85, 18,910.33 and 3,373.13

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Solution

The fourth proportional to 12,607.85, 18,910.33 and 3,373.13 is: 5,059.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607.85 : 18,910.33 = 3,373.13 : x
  2. Step 2: Convert to fraction form
    12,607.85/18,910.33 = 3,373.13/x
  3. Step 3: Cross multiply
    12,607.85x = 18,910.33 × 3,373.13
  4. Step 4: Simplify right side
    12,607.85x = 63,787,001.43
  5. Step 5: Solve for x
    x = 63,787,001.43/12,607.85
  6. Step 6: Final answer
    x = 5,059.31

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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.