Home / 9,279.09-12,801.65-5,922.05

Finding the Fourth Proportional to 9,279.09, 12,801.65 and 5,922.05

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Solution

The fourth proportional to 9,279.09, 12,801.65 and 5,922.05 is: 8,170.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.09 : 12,801.65 = 5,922.05 : x
  2. Step 2: Convert to fraction form
    9,279.09/12,801.65 = 5,922.05/x
  3. Step 3: Cross multiply
    9,279.09x = 12,801.65 × 5,922.05
  4. Step 4: Simplify right side
    9,279.09x = 75,811,917.76
  5. Step 5: Solve for x
    x = 75,811,917.76/9,279.09
  6. Step 6: Final answer
    x = 8,170.19

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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.