Home / 11,809.27-16,281.66-9,676.95

Finding the Fourth Proportional to 11,809.27, 16,281.66 and 9,676.95

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Solution

The fourth proportional to 11,809.27, 16,281.66 and 9,676.95 is: 13,341.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809.27 : 16,281.66 = 9,676.95 : x
  2. Step 2: Convert to fraction form
    11,809.27/16,281.66 = 9,676.95/x
  3. Step 3: Cross multiply
    11,809.27x = 16,281.66 × 9,676.95
  4. Step 4: Simplify right side
    11,809.27x = 157,556,809.74
  5. Step 5: Solve for x
    x = 157,556,809.74/11,809.27
  6. Step 6: Final answer
    x = 13,341.79

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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.