Home / 11,522.49-15,896.97-7,545.81

Finding the Fourth Proportional to 11,522.49, 15,896.97 and 7,545.81

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Solution

The fourth proportional to 11,522.49, 15,896.97 and 7,545.81 is: 10,410.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,522.49 : 15,896.97 = 7,545.81 : x
  2. Step 2: Convert to fraction form
    11,522.49/15,896.97 = 7,545.81/x
  3. Step 3: Cross multiply
    11,522.49x = 15,896.97 × 7,545.81
  4. Step 4: Simplify right side
    11,522.49x = 119,955,515.20
  5. Step 5: Solve for x
    x = 119,955,515.20/11,522.49
  6. Step 6: Final answer
    x = 10,410.55

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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.