Home / 11,437.72-17,156.40-3,646.48

Finding the Fourth Proportional to 11,437.72, 17,156.40 and 3,646.48

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Solution

The fourth proportional to 11,437.72, 17,156.40 and 3,646.48 is: 5,469.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,437.72 : 17,156.40 = 3,646.48 : x
  2. Step 2: Convert to fraction form
    11,437.72/17,156.40 = 3,646.48/x
  3. Step 3: Cross multiply
    11,437.72x = 17,156.40 × 3,646.48
  4. Step 4: Simplify right side
    11,437.72x = 62,560,469.47
  5. Step 5: Solve for x
    x = 62,560,469.47/11,437.72
  6. Step 6: Final answer
    x = 5,469.66

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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.