Home / 10,894.52-15,034.42-6,178.79

Finding the Fourth Proportional to 10,894.52, 15,034.42 and 6,178.79

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Solution

The fourth proportional to 10,894.52, 15,034.42 and 6,178.79 is: 8,526.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,894.52 : 15,034.42 = 6,178.79 : x
  2. Step 2: Convert to fraction form
    10,894.52/15,034.42 = 6,178.79/x
  3. Step 3: Cross multiply
    10,894.52x = 15,034.42 × 6,178.79
  4. Step 4: Simplify right side
    10,894.52x = 92,894,523.95
  5. Step 5: Solve for x
    x = 92,894,523.95/10,894.52
  6. Step 6: Final answer
    x = 8,526.72

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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.