Home / 11,045.87-15,227.70-7,896.59

Finding the Fourth Proportional to 11,045.87, 15,227.70 and 7,896.59

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Solution

The fourth proportional to 11,045.87, 15,227.70 and 7,896.59 is: 10,886.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,045.87 : 15,227.70 = 7,896.59 : x
  2. Step 2: Convert to fraction form
    11,045.87/15,227.70 = 7,896.59/x
  3. Step 3: Cross multiply
    11,045.87x = 15,227.70 × 7,896.59
  4. Step 4: Simplify right side
    11,045.87x = 120,246,903.54
  5. Step 5: Solve for x
    x = 120,246,903.54/11,045.87
  6. Step 6: Final answer
    x = 10,886.14

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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.