Home / 8,040.96-11,097.12-5,389.44

Finding the Fourth Proportional to 8,040.96, 11,097.12 and 5,389.44

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Solution

The fourth proportional to 8,040.96, 11,097.12 and 5,389.44 is: 7,437.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040.96 : 11,097.12 = 5,389.44 : x
  2. Step 2: Convert to fraction form
    8,040.96/11,097.12 = 5,389.44/x
  3. Step 3: Cross multiply
    8,040.96x = 11,097.12 × 5,389.44
  4. Step 4: Simplify right side
    8,040.96x = 59,807,262.41
  5. Step 5: Solve for x
    x = 59,807,262.41/8,040.96
  6. Step 6: Final answer
    x = 7,437.83

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1.5x scale

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.