Home / 10,537.35-15,808.32-3,142.41

Finding the Fourth Proportional to 10,537.35, 15,808.32 and 3,142.41

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Solution

The fourth proportional to 10,537.35, 15,808.32 and 3,142.41 is: 4,714.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,537.35 : 15,808.32 = 3,142.41 : x
  2. Step 2: Convert to fraction form
    10,537.35/15,808.32 = 3,142.41/x
  3. Step 3: Cross multiply
    10,537.35x = 15,808.32 × 3,142.41
  4. Step 4: Simplify right side
    10,537.35x = 49,676,222.85
  5. Step 5: Solve for x
    x = 49,676,222.85/10,537.35
  6. Step 6: Final answer
    x = 4,714.30

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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.