Home / 10,580.30-15,848.92-6,871.28

Finding the Fourth Proportional to 10,580.30, 15,848.92 and 6,871.28

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Solution

The fourth proportional to 10,580.30, 15,848.92 and 6,871.28 is: 10,292.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,580.30 : 15,848.92 = 6,871.28 : x
  2. Step 2: Convert to fraction form
    10,580.30/15,848.92 = 6,871.28/x
  3. Step 3: Cross multiply
    10,580.30x = 15,848.92 × 6,871.28
  4. Step 4: Simplify right side
    10,580.30x = 108,902,346.86
  5. Step 5: Solve for x
    x = 108,902,346.86/10,580.30
  6. Step 6: Final answer
    x = 10,292.94

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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.