Home / 8,218.66-11,341.76-4,492.66

Finding the Fourth Proportional to 8,218.66, 11,341.76 and 4,492.66

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Solution

The fourth proportional to 8,218.66, 11,341.76 and 4,492.66 is: 6,199.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218.66 : 11,341.76 = 4,492.66 : x
  2. Step 2: Convert to fraction form
    8,218.66/11,341.76 = 4,492.66/x
  3. Step 3: Cross multiply
    8,218.66x = 11,341.76 × 4,492.66
  4. Step 4: Simplify right side
    8,218.66x = 50,954,671.48
  5. Step 5: Solve for x
    x = 50,954,671.48/8,218.66
  6. Step 6: Final answer
    x = 6,199.88

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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.