Home / 7,338.10-10,126.11-4,194.22

Finding the Fourth Proportional to 7,338.10, 10,126.11 and 4,194.22

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Solution

The fourth proportional to 7,338.10, 10,126.11 and 4,194.22 is: 5,787.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.10 : 10,126.11 = 4,194.22 : x
  2. Step 2: Convert to fraction form
    7,338.10/10,126.11 = 4,194.22/x
  3. Step 3: Cross multiply
    7,338.10x = 10,126.11 × 4,194.22
  4. Step 4: Simplify right side
    7,338.10x = 42,471,133.08
  5. Step 5: Solve for x
    x = 42,471,133.08/7,338.10
  6. Step 6: Final answer
    x = 5,787.76

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Half scale
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Double scale
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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.