Home / 10,882.24-15,011.97-7,107.62

Finding the Fourth Proportional to 10,882.24, 15,011.97 and 7,107.62

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Solution

The fourth proportional to 10,882.24, 15,011.97 and 7,107.62 is: 9,804.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,882.24 : 15,011.97 = 7,107.62 : x
  2. Step 2: Convert to fraction form
    10,882.24/15,011.97 = 7,107.62/x
  3. Step 3: Cross multiply
    10,882.24x = 15,011.97 × 7,107.62
  4. Step 4: Simplify right side
    10,882.24x = 106,699,315.66
  5. Step 5: Solve for x
    x = 106,699,315.66/10,882.24
  6. Step 6: Final answer
    x = 9,804.90

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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.