Home / 10,243.40-15,363.39-2,846.84

Finding the Fourth Proportional to 10,243.40, 15,363.39 and 2,846.84

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Solution

The fourth proportional to 10,243.40, 15,363.39 and 2,846.84 is: 4,269.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.40 : 15,363.39 = 2,846.84 : x
  2. Step 2: Convert to fraction form
    10,243.40/15,363.39 = 2,846.84/x
  3. Step 3: Cross multiply
    10,243.40x = 15,363.39 × 2,846.84
  4. Step 4: Simplify right side
    10,243.40x = 43,737,113.19
  5. Step 5: Solve for x
    x = 43,737,113.19/10,243.40
  6. Step 6: Final answer
    x = 4,269.78

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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.