Home / 7,474.38-10,314.39-4,117.26

Finding the Fourth Proportional to 7,474.38, 10,314.39 and 4,117.26

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Solution

The fourth proportional to 7,474.38, 10,314.39 and 4,117.26 is: 5,681.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.38 : 10,314.39 = 4,117.26 : x
  2. Step 2: Convert to fraction form
    7,474.38/10,314.39 = 4,117.26/x
  3. Step 3: Cross multiply
    7,474.38x = 10,314.39 × 4,117.26
  4. Step 4: Simplify right side
    7,474.38x = 42,467,025.37
  5. Step 5: Solve for x
    x = 42,467,025.37/7,474.38
  6. Step 6: Final answer
    x = 5,681.68

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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.