Home / 10,352.28-14,286.20-5,636.56

Finding the Fourth Proportional to 10,352.28, 14,286.20 and 5,636.56

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Solution

The fourth proportional to 10,352.28, 14,286.20 and 5,636.56 is: 7,778.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352.28 : 14,286.20 = 5,636.56 : x
  2. Step 2: Convert to fraction form
    10,352.28/14,286.20 = 5,636.56/x
  3. Step 3: Cross multiply
    10,352.28x = 14,286.20 × 5,636.56
  4. Step 4: Simplify right side
    10,352.28x = 80,525,023.47
  5. Step 5: Solve for x
    x = 80,525,023.47/10,352.28
  6. Step 6: Final answer
    x = 7,778.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.