Home / 10,073.49-15,109.02-2,678.51

Finding the Fourth Proportional to 10,073.49, 15,109.02 and 2,678.51

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Solution

The fourth proportional to 10,073.49, 15,109.02 and 2,678.51 is: 4,017.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,073.49 : 15,109.02 = 2,678.51 : x
  2. Step 2: Convert to fraction form
    10,073.49/15,109.02 = 2,678.51/x
  3. Step 3: Cross multiply
    10,073.49x = 15,109.02 × 2,678.51
  4. Step 4: Simplify right side
    10,073.49x = 40,469,585.62
  5. Step 5: Solve for x
    x = 40,469,585.62/10,073.49
  6. Step 6: Final answer
    x = 4,017.43

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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.