Home / 10,236.60-15,342.12-5,556.60

Finding the Fourth Proportional to 10,236.60, 15,342.12 and 5,556.60

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Solution

The fourth proportional to 10,236.60, 15,342.12 and 5,556.60 is: 8,327.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.60 : 15,342.12 = 5,556.60 : x
  2. Step 2: Convert to fraction form
    10,236.60/15,342.12 = 5,556.60/x
  3. Step 3: Cross multiply
    10,236.60x = 15,342.12 × 5,556.60
  4. Step 4: Simplify right side
    10,236.60x = 85,250,023.99
  5. Step 5: Solve for x
    x = 85,250,023.99/10,236.60
  6. Step 6: Final answer
    x = 8,327.96

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1.5x scale

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.