Home / 11,827.38-16,326.45-7,110.75

Finding the Fourth Proportional to 11,827.38, 16,326.45 and 7,110.75

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Solution

The fourth proportional to 11,827.38, 16,326.45 and 7,110.75 is: 9,815.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,827.38 : 16,326.45 = 7,110.75 : x
  2. Step 2: Convert to fraction form
    11,827.38/16,326.45 = 7,110.75/x
  3. Step 3: Cross multiply
    11,827.38x = 16,326.45 × 7,110.75
  4. Step 4: Simplify right side
    11,827.38x = 116,093,304.34
  5. Step 5: Solve for x
    x = 116,093,304.34/11,827.38
  6. Step 6: Final answer
    x = 9,815.64

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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.