Home / 9,799.11-13,519.51-5,549.74

Finding the Fourth Proportional to 9,799.11, 13,519.51 and 5,549.74

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Solution

The fourth proportional to 9,799.11, 13,519.51 and 5,549.74 is: 7,656.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,799.11 : 13,519.51 = 5,549.74 : x
  2. Step 2: Convert to fraction form
    9,799.11/13,519.51 = 5,549.74/x
  3. Step 3: Cross multiply
    9,799.11x = 13,519.51 × 5,549.74
  4. Step 4: Simplify right side
    9,799.11x = 75,029,717.75
  5. Step 5: Solve for x
    x = 75,029,717.75/9,799.11
  6. Step 6: Final answer
    x = 7,656.79

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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.