Home / 10,042.42-15,062.48-2,647.46

Finding the Fourth Proportional to 10,042.42, 15,062.48 and 2,647.46

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Solution

The fourth proportional to 10,042.42, 15,062.48 and 2,647.46 is: 3,970.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,042.42 : 15,062.48 = 2,647.46 : x
  2. Step 2: Convert to fraction form
    10,042.42/15,062.48 = 2,647.46/x
  3. Step 3: Cross multiply
    10,042.42x = 15,062.48 × 2,647.46
  4. Step 4: Simplify right side
    10,042.42x = 39,877,313.30
  5. Step 5: Solve for x
    x = 39,877,313.30/10,042.42
  6. Step 6: Final answer
    x = 3,970.89

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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.