Home / 10,267.38-15,390.42-4,994.58

Finding the Fourth Proportional to 10,267.38, 15,390.42 and 4,994.58

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Solution

The fourth proportional to 10,267.38, 15,390.42 and 4,994.58 is: 7,486.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,267.38 : 15,390.42 = 4,994.58 : x
  2. Step 2: Convert to fraction form
    10,267.38/15,390.42 = 4,994.58/x
  3. Step 3: Cross multiply
    10,267.38x = 15,390.42 × 4,994.58
  4. Step 4: Simplify right side
    10,267.38x = 76,868,683.92
  5. Step 5: Solve for x
    x = 76,868,683.92/10,267.38
  6. Step 6: Final answer
    x = 7,486.69

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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.