Home / 11,453.44-15,805.20-6,417.04

Finding the Fourth Proportional to 11,453.44, 15,805.20 and 6,417.04

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Solution

The fourth proportional to 11,453.44, 15,805.20 and 6,417.04 is: 8,855.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,453.44 : 15,805.20 = 6,417.04 : x
  2. Step 2: Convert to fraction form
    11,453.44/15,805.20 = 6,417.04/x
  3. Step 3: Cross multiply
    11,453.44x = 15,805.20 × 6,417.04
  4. Step 4: Simplify right side
    11,453.44x = 101,422,600.61
  5. Step 5: Solve for x
    x = 101,422,600.61/11,453.44
  6. Step 6: Final answer
    x = 8,855.21

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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.