Home / 7,928.92-11,900.40-4,035.52

Finding the Fourth Proportional to 7,928.92, 11,900.40 and 4,035.52

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Solution

The fourth proportional to 7,928.92, 11,900.40 and 4,035.52 is: 6,056.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.92 : 11,900.40 = 4,035.52 : x
  2. Step 2: Convert to fraction form
    7,928.92/11,900.40 = 4,035.52/x
  3. Step 3: Cross multiply
    7,928.92x = 11,900.40 × 4,035.52
  4. Step 4: Simplify right side
    7,928.92x = 48,024,302.21
  5. Step 5: Solve for x
    x = 48,024,302.21/7,928.92
  6. Step 6: Final answer
    x = 6,056.85

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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.