Home / 7,670.16-11,480.49-3,967.29

Finding the Fourth Proportional to 7,670.16, 11,480.49 and 3,967.29

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Solution

The fourth proportional to 7,670.16, 11,480.49 and 3,967.29 is: 5,938.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,670.16 : 11,480.49 = 3,967.29 : x
  2. Step 2: Convert to fraction form
    7,670.16/11,480.49 = 3,967.29/x
  3. Step 3: Cross multiply
    7,670.16x = 11,480.49 × 3,967.29
  4. Step 4: Simplify right side
    7,670.16x = 45,546,433.17
  5. Step 5: Solve for x
    x = 45,546,433.17/7,670.16
  6. Step 6: Final answer
    x = 5,938.13

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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.