Home / 10,236.58-15,341.90-4,972.79

Finding the Fourth Proportional to 10,236.58, 15,341.90 and 4,972.79

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Solution

The fourth proportional to 10,236.58, 15,341.90 and 4,972.79 is: 7,452.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.58 : 15,341.90 = 4,972.79 : x
  2. Step 2: Convert to fraction form
    10,236.58/15,341.90 = 4,972.79/x
  3. Step 3: Cross multiply
    10,236.58x = 15,341.90 × 4,972.79
  4. Step 4: Simplify right side
    10,236.58x = 76,292,097.69
  5. Step 5: Solve for x
    x = 76,292,097.69/10,236.58
  6. Step 6: Final answer
    x = 7,452.89

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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.