Home / 7,932.63-11,899.10-2,386.16

Finding the Fourth Proportional to 7,932.63, 11,899.10 and 2,386.16

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Solution

The fourth proportional to 7,932.63, 11,899.10 and 2,386.16 is: 3,579.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.63 : 11,899.10 = 2,386.16 : x
  2. Step 2: Convert to fraction form
    7,932.63/11,899.10 = 2,386.16/x
  3. Step 3: Cross multiply
    7,932.63x = 11,899.10 × 2,386.16
  4. Step 4: Simplify right side
    7,932.63x = 28,393,147.55
  5. Step 5: Solve for x
    x = 28,393,147.55/7,932.63
  6. Step 6: Final answer
    x = 3,579.28

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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.