Home / 10,949.93-15,112.09-6,703.85

Finding the Fourth Proportional to 10,949.93, 15,112.09 and 6,703.85

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Solution

The fourth proportional to 10,949.93, 15,112.09 and 6,703.85 is: 9,252.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.93 : 15,112.09 = 6,703.85 : x
  2. Step 2: Convert to fraction form
    10,949.93/15,112.09 = 6,703.85/x
  3. Step 3: Cross multiply
    10,949.93x = 15,112.09 × 6,703.85
  4. Step 4: Simplify right side
    10,949.93x = 101,309,230.71
  5. Step 5: Solve for x
    x = 101,309,230.71/10,949.93
  6. Step 6: Final answer
    x = 9,252.04

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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.