Home / 10,590.93-15,876.06-5,042.78

Finding the Fourth Proportional to 10,590.93, 15,876.06 and 5,042.78

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Solution

The fourth proportional to 10,590.93, 15,876.06 and 5,042.78 is: 7,559.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,590.93 : 15,876.06 = 5,042.78 : x
  2. Step 2: Convert to fraction form
    10,590.93/15,876.06 = 5,042.78/x
  3. Step 3: Cross multiply
    10,590.93x = 15,876.06 × 5,042.78
  4. Step 4: Simplify right side
    10,590.93x = 80,059,477.85
  5. Step 5: Solve for x
    x = 80,059,477.85/10,590.93
  6. Step 6: Final answer
    x = 7,559.25

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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.