Home / 10,965.28-15,131.14-6,184.96

Finding the Fourth Proportional to 10,965.28, 15,131.14 and 6,184.96

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Solution

The fourth proportional to 10,965.28, 15,131.14 and 6,184.96 is: 8,534.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,965.28 : 15,131.14 = 6,184.96 : x
  2. Step 2: Convert to fraction form
    10,965.28/15,131.14 = 6,184.96/x
  3. Step 3: Cross multiply
    10,965.28x = 15,131.14 × 6,184.96
  4. Step 4: Simplify right side
    10,965.28x = 93,585,495.65
  5. Step 5: Solve for x
    x = 93,585,495.65/10,965.28
  6. Step 6: Final answer
    x = 8,534.71

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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.