Home / 10,690.22-16,036.84-3,295.28

Finding the Fourth Proportional to 10,690.22, 16,036.84 and 3,295.28

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Solution

The fourth proportional to 10,690.22, 16,036.84 and 3,295.28 is: 4,943.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,690.22 : 16,036.84 = 3,295.28 : x
  2. Step 2: Convert to fraction form
    10,690.22/16,036.84 = 3,295.28/x
  3. Step 3: Cross multiply
    10,690.22x = 16,036.84 × 3,295.28
  4. Step 4: Simplify right side
    10,690.22x = 52,845,878.12
  5. Step 5: Solve for x
    x = 52,845,878.12/10,690.22
  6. Step 6: Final answer
    x = 4,943.39

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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.