Home / 13,204.42-18,213.66-8,097.57

Finding the Fourth Proportional to 13,204.42, 18,213.66 and 8,097.57

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Solution

The fourth proportional to 13,204.42, 18,213.66 and 8,097.57 is: 11,169.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204.42 : 18,213.66 = 8,097.57 : x
  2. Step 2: Convert to fraction form
    13,204.42/18,213.66 = 8,097.57/x
  3. Step 3: Cross multiply
    13,204.42x = 18,213.66 × 8,097.57
  4. Step 4: Simplify right side
    13,204.42x = 147,486,386.81
  5. Step 5: Solve for x
    x = 147,486,386.81/13,204.42
  6. Step 6: Final answer
    x = 11,169.47

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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.