Home / 11,394.61-15,726.05-6,679.33

Finding the Fourth Proportional to 11,394.61, 15,726.05 and 6,679.33

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Solution

The fourth proportional to 11,394.61, 15,726.05 and 6,679.33 is: 9,218.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,394.61 : 15,726.05 = 6,679.33 : x
  2. Step 2: Convert to fraction form
    11,394.61/15,726.05 = 6,679.33/x
  3. Step 3: Cross multiply
    11,394.61x = 15,726.05 × 6,679.33
  4. Step 4: Simplify right side
    11,394.61x = 105,039,429.88
  5. Step 5: Solve for x
    x = 105,039,429.88/11,394.61
  6. Step 6: Final answer
    x = 9,218.35

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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.