Home / 7,305.82-10,961.48-4,386.16

Finding the Fourth Proportional to 7,305.82, 10,961.48 and 4,386.16

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Solution

The fourth proportional to 7,305.82, 10,961.48 and 4,386.16 is: 6,580.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305.82 : 10,961.48 = 4,386.16 : x
  2. Step 2: Convert to fraction form
    7,305.82/10,961.48 = 4,386.16/x
  3. Step 3: Cross multiply
    7,305.82x = 10,961.48 × 4,386.16
  4. Step 4: Simplify right side
    7,305.82x = 48,078,761.27
  5. Step 5: Solve for x
    x = 48,078,761.27/7,305.82
  6. Step 6: Final answer
    x = 6,580.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.