Home / 13,294.76-18,346.80-7,245.04

Finding the Fourth Proportional to 13,294.76, 18,346.80 and 7,245.04

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Solution

The fourth proportional to 13,294.76, 18,346.80 and 7,245.04 is: 9,998.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.76 : 18,346.80 = 7,245.04 : x
  2. Step 2: Convert to fraction form
    13,294.76/18,346.80 = 7,245.04/x
  3. Step 3: Cross multiply
    13,294.76x = 18,346.80 × 7,245.04
  4. Step 4: Simplify right side
    13,294.76x = 132,923,306.04
  5. Step 5: Solve for x
    x = 132,923,306.04/13,294.76
  6. Step 6: Final answer
    x = 9,998.18

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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.