Home / 10,191.24-14,063.08-5,714.38

Finding the Fourth Proportional to 10,191.24, 14,063.08 and 5,714.38

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Solution

The fourth proportional to 10,191.24, 14,063.08 and 5,714.38 is: 7,885.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191.24 : 14,063.08 = 5,714.38 : x
  2. Step 2: Convert to fraction form
    10,191.24/14,063.08 = 5,714.38/x
  3. Step 3: Cross multiply
    10,191.24x = 14,063.08 × 5,714.38
  4. Step 4: Simplify right side
    10,191.24x = 80,361,783.09
  5. Step 5: Solve for x
    x = 80,361,783.09/10,191.24
  6. Step 6: Final answer
    x = 7,885.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.