Home / 42,834.44-64,251.66-11,674.28

Finding the Fourth Proportional to 42,834.44, 64,251.66 and 11,674.28

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Solution

The fourth proportional to 42,834.44, 64,251.66 and 11,674.28 is: 17,511.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,834.44 : 64,251.66 = 11,674.28 : x
  2. Step 2: Convert to fraction form
    42,834.44/64,251.66 = 11,674.28/x
  3. Step 3: Cross multiply
    42,834.44x = 64,251.66 × 11,674.28
  4. Step 4: Simplify right side
    42,834.44x = 750,091,869.30
  5. Step 5: Solve for x
    x = 750,091,869.30/42,834.44
  6. Step 6: Final answer
    x = 17,511.42

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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.