Home / 11,453.25-15,805.41-6,417.52

Finding the Fourth Proportional to 11,453.25, 15,805.41 and 6,417.52

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Solution

The fourth proportional to 11,453.25, 15,805.41 and 6,417.52 is: 8,856.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,453.25 : 15,805.41 = 6,417.52 : x
  2. Step 2: Convert to fraction form
    11,453.25/15,805.41 = 6,417.52/x
  3. Step 3: Cross multiply
    11,453.25x = 15,805.41 × 6,417.52
  4. Step 4: Simplify right side
    11,453.25x = 101,431,471.20
  5. Step 5: Solve for x
    x = 101,431,471.20/11,453.25
  6. Step 6: Final answer
    x = 8,856.13

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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.