Home / 10,033.38-13,845.85-5,557.11

Finding the Fourth Proportional to 10,033.38, 13,845.85 and 5,557.11

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Solution

The fourth proportional to 10,033.38, 13,845.85 and 5,557.11 is: 7,668.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,033.38 : 13,845.85 = 5,557.11 : x
  2. Step 2: Convert to fraction form
    10,033.38/13,845.85 = 5,557.11/x
  3. Step 3: Cross multiply
    10,033.38x = 13,845.85 × 5,557.11
  4. Step 4: Simplify right side
    10,033.38x = 76,942,911.49
  5. Step 5: Solve for x
    x = 76,942,911.49/10,033.38
  6. Step 6: Final answer
    x = 7,668.70

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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.