Home / 10,894.20-15,034.28-6,179.16

Finding the Fourth Proportional to 10,894.20, 15,034.28 and 6,179.16

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Solution

The fourth proportional to 10,894.20, 15,034.28 and 6,179.16 is: 8,527.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,894.20 : 15,034.28 = 6,179.16 : x
  2. Step 2: Convert to fraction form
    10,894.20/15,034.28 = 6,179.16/x
  3. Step 3: Cross multiply
    10,894.20x = 15,034.28 × 6,179.16
  4. Step 4: Simplify right side
    10,894.20x = 92,899,221.60
  5. Step 5: Solve for x
    x = 92,899,221.60/10,894.20
  6. Step 6: Final answer
    x = 8,527.40

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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.