Home / 27,899.16-41,847.54-7,122.20

Finding the Fourth Proportional to 27,899.16, 41,847.54 and 7,122.20

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Solution

The fourth proportional to 27,899.16, 41,847.54 and 7,122.20 is: 10,682.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,899.16 : 41,847.54 = 7,122.20 : x
  2. Step 2: Convert to fraction form
    27,899.16/41,847.54 = 7,122.20/x
  3. Step 3: Cross multiply
    27,899.16x = 41,847.54 × 7,122.20
  4. Step 4: Simplify right side
    27,899.16x = 298,046,549.39
  5. Step 5: Solve for x
    x = 298,046,549.39/27,899.16
  6. Step 6: Final answer
    x = 10,682.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.