Home / 10,113.35-15,171.64-2,998.31

Finding the Fourth Proportional to 10,113.35, 15,171.64 and 2,998.31

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Solution

The fourth proportional to 10,113.35, 15,171.64 and 2,998.31 is: 4,497.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,113.35 : 15,171.64 = 2,998.31 : x
  2. Step 2: Convert to fraction form
    10,113.35/15,171.64 = 2,998.31/x
  3. Step 3: Cross multiply
    10,113.35x = 15,171.64 × 2,998.31
  4. Step 4: Simplify right side
    10,113.35x = 45,489,196.57
  5. Step 5: Solve for x
    x = 45,489,196.57/10,113.35
  6. Step 6: Final answer
    x = 4,497.94

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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.