Home / 10,407.18-15,612.93-3,481.50

Finding the Fourth Proportional to 10,407.18, 15,612.93 and 3,481.50

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Solution

The fourth proportional to 10,407.18, 15,612.93 and 3,481.50 is: 5,222.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407.18 : 15,612.93 = 3,481.50 : x
  2. Step 2: Convert to fraction form
    10,407.18/15,612.93 = 3,481.50/x
  3. Step 3: Cross multiply
    10,407.18x = 15,612.93 × 3,481.50
  4. Step 4: Simplify right side
    10,407.18x = 54,356,415.80
  5. Step 5: Solve for x
    x = 54,356,415.80/10,407.18
  6. Step 6: Final answer
    x = 5,222.97

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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.