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Finding the Fourth Proportional to 10,894.95, 15,032.12 and 6,179.13

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Solution

The fourth proportional to 10,894.95, 15,032.12 and 6,179.13 is: 8,525.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,894.95 : 15,032.12 = 6,179.13 : x
  2. Step 2: Convert to fraction form
    10,894.95/15,032.12 = 6,179.13/x
  3. Step 3: Cross multiply
    10,894.95x = 15,032.12 × 6,179.13
  4. Step 4: Simplify right side
    10,894.95x = 92,885,392.76
  5. Step 5: Solve for x
    x = 92,885,392.76/10,894.95
  6. Step 6: Final answer
    x = 8,525.55

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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.