Home / 10,072.83-15,109.26-3,499.01

Finding the Fourth Proportional to 10,072.83, 15,109.26 and 3,499.01

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Solution

The fourth proportional to 10,072.83, 15,109.26 and 3,499.01 is: 5,248.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.83 : 15,109.26 = 3,499.01 : x
  2. Step 2: Convert to fraction form
    10,072.83/15,109.26 = 3,499.01/x
  3. Step 3: Cross multiply
    10,072.83x = 15,109.26 × 3,499.01
  4. Step 4: Simplify right side
    10,072.83x = 52,867,451.83
  5. Step 5: Solve for x
    x = 52,867,451.83/10,072.83
  6. Step 6: Final answer
    x = 5,248.52

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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.