Home / 8,996.24-12,416.42-5,641.95

Finding the Fourth Proportional to 8,996.24, 12,416.42 and 5,641.95

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Solution

The fourth proportional to 8,996.24, 12,416.42 and 5,641.95 is: 7,786.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,996.24 : 12,416.42 = 5,641.95 : x
  2. Step 2: Convert to fraction form
    8,996.24/12,416.42 = 5,641.95/x
  3. Step 3: Cross multiply
    8,996.24x = 12,416.42 × 5,641.95
  4. Step 4: Simplify right side
    8,996.24x = 70,052,792.61
  5. Step 5: Solve for x
    x = 70,052,792.61/8,996.24
  6. Step 6: Final answer
    x = 7,786.90

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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.