Home / 10,311.40-14,229.66-5,595.56

Finding the Fourth Proportional to 10,311.40, 14,229.66 and 5,595.56

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Solution

The fourth proportional to 10,311.40, 14,229.66 and 5,595.56 is: 7,721.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311.40 : 14,229.66 = 5,595.56 : x
  2. Step 2: Convert to fraction form
    10,311.40/14,229.66 = 5,595.56/x
  3. Step 3: Cross multiply
    10,311.40x = 14,229.66 × 5,595.56
  4. Step 4: Simplify right side
    10,311.40x = 79,622,916.31
  5. Step 5: Solve for x
    x = 79,622,916.31/10,311.40
  6. Step 6: Final answer
    x = 7,721.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.