Home / 12,587.24-18,877.62-6,012.20

Finding the Fourth Proportional to 12,587.24, 18,877.62 and 6,012.20

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Solution

The fourth proportional to 12,587.24, 18,877.62 and 6,012.20 is: 9,016.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,587.24 : 18,877.62 = 6,012.20 : x
  2. Step 2: Convert to fraction form
    12,587.24/18,877.62 = 6,012.20/x
  3. Step 3: Cross multiply
    12,587.24x = 18,877.62 × 6,012.20
  4. Step 4: Simplify right side
    12,587.24x = 113,496,026.96
  5. Step 5: Solve for x
    x = 113,496,026.96/12,587.24
  6. Step 6: Final answer
    x = 9,016.75

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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.