Home / 11,147.60-15,384.23-6,112.02

Finding the Fourth Proportional to 11,147.60, 15,384.23 and 6,112.02

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Solution

The fourth proportional to 11,147.60, 15,384.23 and 6,112.02 is: 8,434.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,147.60 : 15,384.23 = 6,112.02 : x
  2. Step 2: Convert to fraction form
    11,147.60/15,384.23 = 6,112.02/x
  3. Step 3: Cross multiply
    11,147.60x = 15,384.23 × 6,112.02
  4. Step 4: Simplify right side
    11,147.60x = 94,028,690.88
  5. Step 5: Solve for x
    x = 94,028,690.88/11,147.60
  6. Step 6: Final answer
    x = 8,434.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.