Home / 10,116.70-15,181.86-3,542.94

Finding the Fourth Proportional to 10,116.70, 15,181.86 and 3,542.94

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Solution

The fourth proportional to 10,116.70, 15,181.86 and 3,542.94 is: 5,316.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,116.70 : 15,181.86 = 3,542.94 : x
  2. Step 2: Convert to fraction form
    10,116.70/15,181.86 = 3,542.94/x
  3. Step 3: Cross multiply
    10,116.70x = 15,181.86 × 3,542.94
  4. Step 4: Simplify right side
    10,116.70x = 53,788,445.16
  5. Step 5: Solve for x
    x = 53,788,445.16/10,116.70
  6. Step 6: Final answer
    x = 5,316.80

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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.