Home / 10,949.46-15,110.28-6,169.50

Finding the Fourth Proportional to 10,949.46, 15,110.28 and 6,169.50

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Solution

The fourth proportional to 10,949.46, 15,110.28 and 6,169.50 is: 8,513.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.46 : 15,110.28 = 6,169.50 : x
  2. Step 2: Convert to fraction form
    10,949.46/15,110.28 = 6,169.50/x
  3. Step 3: Cross multiply
    10,949.46x = 15,110.28 × 6,169.50
  4. Step 4: Simplify right side
    10,949.46x = 93,222,872.46
  5. Step 5: Solve for x
    x = 93,222,872.46/10,949.46
  6. Step 6: Final answer
    x = 8,513.92

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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.