Home / 12,166.74-18,253.15-3,401.58

Finding the Fourth Proportional to 12,166.74, 18,253.15 and 3,401.58

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Solution

The fourth proportional to 12,166.74, 18,253.15 and 3,401.58 is: 5,103.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166.74 : 18,253.15 = 3,401.58 : x
  2. Step 2: Convert to fraction form
    12,166.74/18,253.15 = 3,401.58/x
  3. Step 3: Cross multiply
    12,166.74x = 18,253.15 × 3,401.58
  4. Step 4: Simplify right side
    12,166.74x = 62,089,507.25
  5. Step 5: Solve for x
    x = 62,089,507.25/12,166.74
  6. Step 6: Final answer
    x = 5,103.22

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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.