Home / 10,174.92-15,263.04-3,155.58

Finding the Fourth Proportional to 10,174.92, 15,263.04 and 3,155.58

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Solution

The fourth proportional to 10,174.92, 15,263.04 and 3,155.58 is: 4,733.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,174.92 : 15,263.04 = 3,155.58 : x
  2. Step 2: Convert to fraction form
    10,174.92/15,263.04 = 3,155.58/x
  3. Step 3: Cross multiply
    10,174.92x = 15,263.04 × 3,155.58
  4. Step 4: Simplify right side
    10,174.92x = 48,163,743.76
  5. Step 5: Solve for x
    x = 48,163,743.76/10,174.92
  6. Step 6: Final answer
    x = 4,733.57

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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.