Home / 8,345.44-11,516.72-5,201.63

Finding the Fourth Proportional to 8,345.44, 11,516.72 and 5,201.63

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Solution

The fourth proportional to 8,345.44, 11,516.72 and 5,201.63 is: 7,178.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.44 : 11,516.72 = 5,201.63 : x
  2. Step 2: Convert to fraction form
    8,345.44/11,516.72 = 5,201.63/x
  3. Step 3: Cross multiply
    8,345.44x = 11,516.72 × 5,201.63
  4. Step 4: Simplify right side
    8,345.44x = 59,905,716.25
  5. Step 5: Solve for x
    x = 59,905,716.25/8,345.44
  6. Step 6: Final answer
    x = 7,178.26

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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.