Home / 9,968.91-13,762.62-5,991

Finding the Fourth Proportional to 9,968.91, 13,762.62 and 5,991

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Solution

The fourth proportional to 9,968.91, 13,762.62 and 5,991 is: 8,270.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968.91 : 13,762.62 = 5,991 : x
  2. Step 2: Convert to fraction form
    9,968.91/13,762.62 = 5,991/x
  3. Step 3: Cross multiply
    9,968.91x = 13,762.62 × 5,991
  4. Step 4: Simplify right side
    9,968.91x = 82,451,856.42
  5. Step 5: Solve for x
    x = 82,451,856.42/9,968.91
  6. Step 6: Final answer
    x = 8,270.90

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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.