Home / 12,254.24-18,381.48-4,860.48

Finding the Fourth Proportional to 12,254.24, 18,381.48 and 4,860.48

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Solution

The fourth proportional to 12,254.24, 18,381.48 and 4,860.48 is: 7,290.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.24 : 18,381.48 = 4,860.48 : x
  2. Step 2: Convert to fraction form
    12,254.24/18,381.48 = 4,860.48/x
  3. Step 3: Cross multiply
    12,254.24x = 18,381.48 × 4,860.48
  4. Step 4: Simplify right side
    12,254.24x = 89,342,815.91
  5. Step 5: Solve for x
    x = 89,342,815.91/12,254.24
  6. Step 6: Final answer
    x = 7,290.77

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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.