Home / 7,624.15-11,436.80-2,624.47

Finding the Fourth Proportional to 7,624.15, 11,436.80 and 2,624.47

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Solution

The fourth proportional to 7,624.15, 11,436.80 and 2,624.47 is: 3,936.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,624.15 : 11,436.80 = 2,624.47 : x
  2. Step 2: Convert to fraction form
    7,624.15/11,436.80 = 2,624.47/x
  3. Step 3: Cross multiply
    7,624.15x = 11,436.80 × 2,624.47
  4. Step 4: Simplify right side
    7,624.15x = 30,015,496.78
  5. Step 5: Solve for x
    x = 30,015,496.78/7,624.15
  6. Step 6: Final answer
    x = 3,936.90

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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.