Home / 12,451.06-18,676.80-4,655.62

Finding the Fourth Proportional to 12,451.06, 18,676.80 and 4,655.62

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Solution

The fourth proportional to 12,451.06, 18,676.80 and 4,655.62 is: 6,983.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451.06 : 18,676.80 = 4,655.62 : x
  2. Step 2: Convert to fraction form
    12,451.06/18,676.80 = 4,655.62/x
  3. Step 3: Cross multiply
    12,451.06x = 18,676.80 × 4,655.62
  4. Step 4: Simplify right side
    12,451.06x = 86,952,083.62
  5. Step 5: Solve for x
    x = 86,952,083.62/12,451.06
  6. Step 6: Final answer
    x = 6,983.51

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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.