Home / 11,065.96-15,272.10-8,266.60

Finding the Fourth Proportional to 11,065.96, 15,272.10 and 8,266.60

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Solution

The fourth proportional to 11,065.96, 15,272.10 and 8,266.60 is: 11,408.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,065.96 : 15,272.10 = 8,266.60 : x
  2. Step 2: Convert to fraction form
    11,065.96/15,272.10 = 8,266.60/x
  3. Step 3: Cross multiply
    11,065.96x = 15,272.10 × 8,266.60
  4. Step 4: Simplify right side
    11,065.96x = 126,248,341.86
  5. Step 5: Solve for x
    x = 126,248,341.86/11,065.96
  6. Step 6: Final answer
    x = 11,408.71

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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.