Home / 10,390.70-15,586.24-3,370.68

Finding the Fourth Proportional to 10,390.70, 15,586.24 and 3,370.68

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Solution

The fourth proportional to 10,390.70, 15,586.24 and 3,370.68 is: 5,056.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390.70 : 15,586.24 = 3,370.68 : x
  2. Step 2: Convert to fraction form
    10,390.70/15,586.24 = 3,370.68/x
  3. Step 3: Cross multiply
    10,390.70x = 15,586.24 × 3,370.68
  4. Step 4: Simplify right side
    10,390.70x = 52,536,227.44
  5. Step 5: Solve for x
    x = 52,536,227.44/10,390.70
  6. Step 6: Final answer
    x = 5,056.08

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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.