Home / 12,326.06-18,479.86-4,001.11

Finding the Fourth Proportional to 12,326.06, 18,479.86 and 4,001.11

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Solution

The fourth proportional to 12,326.06, 18,479.86 and 4,001.11 is: 5,998.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326.06 : 18,479.86 = 4,001.11 : x
  2. Step 2: Convert to fraction form
    12,326.06/18,479.86 = 4,001.11/x
  3. Step 3: Cross multiply
    12,326.06x = 18,479.86 × 4,001.11
  4. Step 4: Simplify right side
    12,326.06x = 73,939,918.95
  5. Step 5: Solve for x
    x = 73,939,918.95/12,326.06
  6. Step 6: Final answer
    x = 5,998.66

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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.