Home / 8,454.18-12,674.39-3,527.49

Finding the Fourth Proportional to 8,454.18, 12,674.39 and 3,527.49

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Solution

The fourth proportional to 8,454.18, 12,674.39 and 3,527.49 is: 5,288.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.18 : 12,674.39 = 3,527.49 : x
  2. Step 2: Convert to fraction form
    8,454.18/12,674.39 = 3,527.49/x
  3. Step 3: Cross multiply
    8,454.18x = 12,674.39 × 3,527.49
  4. Step 4: Simplify right side
    8,454.18x = 44,708,720.61
  5. Step 5: Solve for x
    x = 44,708,720.61/8,454.18
  6. Step 6: Final answer
    x = 5,288.36

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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.