Home / 9,519.14-13,140.09-8,522.70

Finding the Fourth Proportional to 9,519.14, 13,140.09 and 8,522.70

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Solution

The fourth proportional to 9,519.14, 13,140.09 and 8,522.70 is: 11,764.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519.14 : 13,140.09 = 8,522.70 : x
  2. Step 2: Convert to fraction form
    9,519.14/13,140.09 = 8,522.70/x
  3. Step 3: Cross multiply
    9,519.14x = 13,140.09 × 8,522.70
  4. Step 4: Simplify right side
    9,519.14x = 111,989,045.04
  5. Step 5: Solve for x
    x = 111,989,045.04/9,519.14
  6. Step 6: Final answer
    x = 11,764.62

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Double scale
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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.