Home / 11,326.57-15,630.77-6,609.93

Finding the Fourth Proportional to 11,326.57, 15,630.77 and 6,609.93

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Solution

The fourth proportional to 11,326.57, 15,630.77 and 6,609.93 is: 9,121.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.57 : 15,630.77 = 6,609.93 : x
  2. Step 2: Convert to fraction form
    11,326.57/15,630.77 = 6,609.93/x
  3. Step 3: Cross multiply
    11,326.57x = 15,630.77 × 6,609.93
  4. Step 4: Simplify right side
    11,326.57x = 103,318,262.50
  5. Step 5: Solve for x
    x = 103,318,262.50/11,326.57
  6. Step 6: Final answer
    x = 9,121.76

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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.