Home / 11,438.88-17,158.08-3,647.04

Finding the Fourth Proportional to 11,438.88, 17,158.08 and 3,647.04

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Solution

The fourth proportional to 11,438.88, 17,158.08 and 3,647.04 is: 5,470.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,438.88 : 17,158.08 = 3,647.04 : x
  2. Step 2: Convert to fraction form
    11,438.88/17,158.08 = 3,647.04/x
  3. Step 3: Cross multiply
    11,438.88x = 17,158.08 × 3,647.04
  4. Step 4: Simplify right side
    11,438.88x = 62,576,204.08
  5. Step 5: Solve for x
    x = 62,576,204.08/11,438.88
  6. Step 6: Final answer
    x = 5,470.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.