Home / 12,152.19-18,207.75-7,462.44

Finding the Fourth Proportional to 12,152.19, 18,207.75 and 7,462.44

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Solution

The fourth proportional to 12,152.19, 18,207.75 and 7,462.44 is: 11,181.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,152.19 : 18,207.75 = 7,462.44 : x
  2. Step 2: Convert to fraction form
    12,152.19/18,207.75 = 7,462.44/x
  3. Step 3: Cross multiply
    12,152.19x = 18,207.75 × 7,462.44
  4. Step 4: Simplify right side
    12,152.19x = 135,874,241.91
  5. Step 5: Solve for x
    x = 135,874,241.91/12,152.19
  6. Step 6: Final answer
    x = 11,181.05

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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.