Home / 10,440.30-15,659.73-4,894.88

Finding the Fourth Proportional to 10,440.30, 15,659.73 and 4,894.88

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Solution

The fourth proportional to 10,440.30, 15,659.73 and 4,894.88 is: 7,341.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.30 : 15,659.73 = 4,894.88 : x
  2. Step 2: Convert to fraction form
    10,440.30/15,659.73 = 4,894.88/x
  3. Step 3: Cross multiply
    10,440.30x = 15,659.73 × 4,894.88
  4. Step 4: Simplify right side
    10,440.30x = 76,652,420.88
  5. Step 5: Solve for x
    x = 76,652,420.88/10,440.30
  6. Step 6: Final answer
    x = 7,341.97

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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.