Home / 10,960.72-15,107.92-6,974.91

Finding the Fourth Proportional to 10,960.72, 15,107.92 and 6,974.91

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Solution

The fourth proportional to 10,960.72, 15,107.92 and 6,974.91 is: 9,614.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,960.72 : 15,107.92 = 6,974.91 : x
  2. Step 2: Convert to fraction form
    10,960.72/15,107.92 = 6,974.91/x
  3. Step 3: Cross multiply
    10,960.72x = 15,107.92 × 6,974.91
  4. Step 4: Simplify right side
    10,960.72x = 105,376,364.85
  5. Step 5: Solve for x
    x = 105,376,364.85/10,960.72
  6. Step 6: Final answer
    x = 9,614.00

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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.