Home / 12,040.35-16,618.28-7,326.15

Finding the Fourth Proportional to 12,040.35, 16,618.28 and 7,326.15

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Solution

The fourth proportional to 12,040.35, 16,618.28 and 7,326.15 is: 10,111.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040.35 : 16,618.28 = 7,326.15 : x
  2. Step 2: Convert to fraction form
    12,040.35/16,618.28 = 7,326.15/x
  3. Step 3: Cross multiply
    12,040.35x = 16,618.28 × 7,326.15
  4. Step 4: Simplify right side
    12,040.35x = 121,747,975.39
  5. Step 5: Solve for x
    x = 121,747,975.39/12,040.35
  6. Step 6: Final answer
    x = 10,111.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.