Home / 8,924.80-13,382.34-7,087.72

Finding the Fourth Proportional to 8,924.80, 13,382.34 and 7,087.72

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Solution

The fourth proportional to 8,924.80, 13,382.34 and 7,087.72 is: 10,627.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,924.80 : 13,382.34 = 7,087.72 : x
  2. Step 2: Convert to fraction form
    8,924.80/13,382.34 = 7,087.72/x
  3. Step 3: Cross multiply
    8,924.80x = 13,382.34 × 7,087.72
  4. Step 4: Simplify right side
    8,924.80x = 94,850,278.86
  5. Step 5: Solve for x
    x = 94,850,278.86/8,924.80
  6. Step 6: Final answer
    x = 10,627.72

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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.