Home / 11,190.93-15,443.87-6,155.52

Finding the Fourth Proportional to 11,190.93, 15,443.87 and 6,155.52

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Solution

The fourth proportional to 11,190.93, 15,443.87 and 6,155.52 is: 8,494.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.93 : 15,443.87 = 6,155.52 : x
  2. Step 2: Convert to fraction form
    11,190.93/15,443.87 = 6,155.52/x
  3. Step 3: Cross multiply
    11,190.93x = 15,443.87 × 6,155.52
  4. Step 4: Simplify right side
    11,190.93x = 95,065,019.88
  5. Step 5: Solve for x
    x = 95,065,019.88/11,190.93
  6. Step 6: Final answer
    x = 8,494.83

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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.