Home / 15,645.88-23,474.05-5,116.38

Finding the Fourth Proportional to 15,645.88, 23,474.05 and 5,116.38

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Solution

The fourth proportional to 15,645.88, 23,474.05 and 5,116.38 is: 7,676.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,645.88 : 23,474.05 = 5,116.38 : x
  2. Step 2: Convert to fraction form
    15,645.88/23,474.05 = 5,116.38/x
  3. Step 3: Cross multiply
    15,645.88x = 23,474.05 × 5,116.38
  4. Step 4: Simplify right side
    15,645.88x = 120,102,159.94
  5. Step 5: Solve for x
    x = 120,102,159.94/15,645.88
  6. Step 6: Final answer
    x = 7,676.28

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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.