Home / 9,188.44-12,679.76-5,410.74

Finding the Fourth Proportional to 9,188.44, 12,679.76 and 5,410.74

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Solution

The fourth proportional to 9,188.44, 12,679.76 and 5,410.74 is: 7,466.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,188.44 : 12,679.76 = 5,410.74 : x
  2. Step 2: Convert to fraction form
    9,188.44/12,679.76 = 5,410.74/x
  3. Step 3: Cross multiply
    9,188.44x = 12,679.76 × 5,410.74
  4. Step 4: Simplify right side
    9,188.44x = 68,606,884.62
  5. Step 5: Solve for x
    x = 68,606,884.62/9,188.44
  6. Step 6: Final answer
    x = 7,466.65

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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.