Home / 7,482.38-11,217.42-3,102.98

Finding the Fourth Proportional to 7,482.38, 11,217.42 and 3,102.98

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Solution

The fourth proportional to 7,482.38, 11,217.42 and 3,102.98 is: 4,651.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.38 : 11,217.42 = 3,102.98 : x
  2. Step 2: Convert to fraction form
    7,482.38/11,217.42 = 3,102.98/x
  3. Step 3: Cross multiply
    7,482.38x = 11,217.42 × 3,102.98
  4. Step 4: Simplify right side
    7,482.38x = 34,807,373.82
  5. Step 5: Solve for x
    x = 34,807,373.82/7,482.38
  6. Step 6: Final answer
    x = 4,651.92

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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.