Home / 10,107.18-13,949.82-6,127.65

Finding the Fourth Proportional to 10,107.18, 13,949.82 and 6,127.65

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Solution

The fourth proportional to 10,107.18, 13,949.82 and 6,127.65 is: 8,457.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,107.18 : 13,949.82 = 6,127.65 : x
  2. Step 2: Convert to fraction form
    10,107.18/13,949.82 = 6,127.65/x
  3. Step 3: Cross multiply
    10,107.18x = 13,949.82 × 6,127.65
  4. Step 4: Simplify right side
    10,107.18x = 85,479,614.52
  5. Step 5: Solve for x
    x = 85,479,614.52/10,107.18
  6. Step 6: Final answer
    x = 8,457.32

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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.