Home / 10,195.58-15,291.53-2,799.06

Finding the Fourth Proportional to 10,195.58, 15,291.53 and 2,799.06

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Solution

The fourth proportional to 10,195.58, 15,291.53 and 2,799.06 is: 4,198.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195.58 : 15,291.53 = 2,799.06 : x
  2. Step 2: Convert to fraction form
    10,195.58/15,291.53 = 2,799.06/x
  3. Step 3: Cross multiply
    10,195.58x = 15,291.53 × 2,799.06
  4. Step 4: Simplify right side
    10,195.58x = 42,801,909.96
  5. Step 5: Solve for x
    x = 42,801,909.96/10,195.58
  6. Step 6: Final answer
    x = 4,198.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.