Home / 6,603.11-9,112.29-3,619.06

Finding the Fourth Proportional to 6,603.11, 9,112.29 and 3,619.06

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Solution

The fourth proportional to 6,603.11, 9,112.29 and 3,619.06 is: 4,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.11 : 9,112.29 = 3,619.06 : x
  2. Step 2: Convert to fraction form
    6,603.11/9,112.29 = 3,619.06/x
  3. Step 3: Cross multiply
    6,603.11x = 9,112.29 × 3,619.06
  4. Step 4: Simplify right side
    6,603.11x = 32,977,924.25
  5. Step 5: Solve for x
    x = 32,977,924.25/6,603.11
  6. Step 6: Final answer
    x = 4,994.30

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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.