Home / 9,493.56-13,108.20-6,138.48

Finding the Fourth Proportional to 9,493.56, 13,108.20 and 6,138.48

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Solution

The fourth proportional to 9,493.56, 13,108.20 and 6,138.48 is: 8,475.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,493.56 : 13,108.20 = 6,138.48 : x
  2. Step 2: Convert to fraction form
    9,493.56/13,108.20 = 6,138.48/x
  3. Step 3: Cross multiply
    9,493.56x = 13,108.20 × 6,138.48
  4. Step 4: Simplify right side
    9,493.56x = 80,464,423.54
  5. Step 5: Solve for x
    x = 80,464,423.54/9,493.56
  6. Step 6: Final answer
    x = 8,475.68

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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.