Home / 10,113.48-15,168.06-3,186.44

Finding the Fourth Proportional to 10,113.48, 15,168.06 and 3,186.44

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Solution

The fourth proportional to 10,113.48, 15,168.06 and 3,186.44 is: 4,778.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,113.48 : 15,168.06 = 3,186.44 : x
  2. Step 2: Convert to fraction form
    10,113.48/15,168.06 = 3,186.44/x
  3. Step 3: Cross multiply
    10,113.48x = 15,168.06 × 3,186.44
  4. Step 4: Simplify right side
    10,113.48x = 48,332,113.11
  5. Step 5: Solve for x
    x = 48,332,113.11/10,113.48
  6. Step 6: Final answer
    x = 4,778.98

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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.