Home / 10,932.45-15,081.44-7,153.94

Finding the Fourth Proportional to 10,932.45, 15,081.44 and 7,153.94

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Solution

The fourth proportional to 10,932.45, 15,081.44 and 7,153.94 is: 9,868.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932.45 : 15,081.44 = 7,153.94 : x
  2. Step 2: Convert to fraction form
    10,932.45/15,081.44 = 7,153.94/x
  3. Step 3: Cross multiply
    10,932.45x = 15,081.44 × 7,153.94
  4. Step 4: Simplify right side
    10,932.45x = 107,891,605.70
  5. Step 5: Solve for x
    x = 107,891,605.70/10,932.45
  6. Step 6: Final answer
    x = 9,868.93

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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.