Home / 11,089.30-15,303.81-6,374.02

Finding the Fourth Proportional to 11,089.30, 15,303.81 and 6,374.02

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Solution

The fourth proportional to 11,089.30, 15,303.81 and 6,374.02 is: 8,796.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089.30 : 15,303.81 = 6,374.02 : x
  2. Step 2: Convert to fraction form
    11,089.30/15,303.81 = 6,374.02/x
  3. Step 3: Cross multiply
    11,089.30x = 15,303.81 × 6,374.02
  4. Step 4: Simplify right side
    11,089.30x = 97,546,791.02
  5. Step 5: Solve for x
    x = 97,546,791.02/11,089.30
  6. Step 6: Final answer
    x = 8,796.48

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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.