Home / 10,321.35-15,475.77-5,634.86

Finding the Fourth Proportional to 10,321.35, 15,475.77 and 5,634.86

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Solution

The fourth proportional to 10,321.35, 15,475.77 and 5,634.86 is: 8,448.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,321.35 : 15,475.77 = 5,634.86 : x
  2. Step 2: Convert to fraction form
    10,321.35/15,475.77 = 5,634.86/x
  3. Step 3: Cross multiply
    10,321.35x = 15,475.77 × 5,634.86
  4. Step 4: Simplify right side
    10,321.35x = 87,203,719.96
  5. Step 5: Solve for x
    x = 87,203,719.96/10,321.35
  6. Step 6: Final answer
    x = 8,448.87

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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.