Home / 7,344.98-11,002.68-3,390.68

Finding the Fourth Proportional to 7,344.98, 11,002.68 and 3,390.68

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Solution

The fourth proportional to 7,344.98, 11,002.68 and 3,390.68 is: 5,079.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,344.98 : 11,002.68 = 3,390.68 : x
  2. Step 2: Convert to fraction form
    7,344.98/11,002.68 = 3,390.68/x
  3. Step 3: Cross multiply
    7,344.98x = 11,002.68 × 3,390.68
  4. Step 4: Simplify right side
    7,344.98x = 37,306,567.02
  5. Step 5: Solve for x
    x = 37,306,567.02/7,344.98
  6. Step 6: Final answer
    x = 5,079.19

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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.