Home / 10,237.92-15,357.44-4,390.56

Finding the Fourth Proportional to 10,237.92, 15,357.44 and 4,390.56

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Solution

The fourth proportional to 10,237.92, 15,357.44 and 4,390.56 is: 6,586.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,237.92 : 15,357.44 = 4,390.56 : x
  2. Step 2: Convert to fraction form
    10,237.92/15,357.44 = 4,390.56/x
  3. Step 3: Cross multiply
    10,237.92x = 15,357.44 × 4,390.56
  4. Step 4: Simplify right side
    10,237.92x = 67,427,761.77
  5. Step 5: Solve for x
    x = 67,427,761.77/10,237.92
  6. Step 6: Final answer
    x = 6,586.08

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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.