Home / 10,106.90-15,159.23-2,712.09

Finding the Fourth Proportional to 10,106.90, 15,159.23 and 2,712.09

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Solution

The fourth proportional to 10,106.90, 15,159.23 and 2,712.09 is: 4,067.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.90 : 15,159.23 = 2,712.09 : x
  2. Step 2: Convert to fraction form
    10,106.90/15,159.23 = 2,712.09/x
  3. Step 3: Cross multiply
    10,106.90x = 15,159.23 × 2,712.09
  4. Step 4: Simplify right side
    10,106.90x = 41,113,196.09
  5. Step 5: Solve for x
    x = 41,113,196.09/10,106.90
  6. Step 6: Final answer
    x = 4,067.83

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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.