Home / 10,045.01-15,067.85-4,777.31

Finding the Fourth Proportional to 10,045.01, 15,067.85 and 4,777.31

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Solution

The fourth proportional to 10,045.01, 15,067.85 and 4,777.31 is: 7,166.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,045.01 : 15,067.85 = 4,777.31 : x
  2. Step 2: Convert to fraction form
    10,045.01/15,067.85 = 4,777.31/x
  3. Step 3: Cross multiply
    10,045.01x = 15,067.85 × 4,777.31
  4. Step 4: Simplify right side
    10,045.01x = 71,983,790.48
  5. Step 5: Solve for x
    x = 71,983,790.48/10,045.01
  6. Step 6: Final answer
    x = 7,166.12

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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.