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Finding the Fourth Proportional to 10,894.88, 15,034.92 and 6,179.46

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Solution

The fourth proportional to 10,894.88, 15,034.92 and 6,179.46 is: 8,527.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,894.88 : 15,034.92 = 6,179.46 : x
  2. Step 2: Convert to fraction form
    10,894.88/15,034.92 = 6,179.46/x
  3. Step 3: Cross multiply
    10,894.88x = 15,034.92 × 6,179.46
  4. Step 4: Simplify right side
    10,894.88x = 92,907,686.74
  5. Step 5: Solve for x
    x = 92,907,686.74/10,894.88
  6. Step 6: Final answer
    x = 8,527.65

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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.