Home / 11,023.48-16,521.16-5,167.20

Finding the Fourth Proportional to 11,023.48, 16,521.16 and 5,167.20

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Solution

The fourth proportional to 11,023.48, 16,521.16 and 5,167.20 is: 7,744.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,023.48 : 16,521.16 = 5,167.20 : x
  2. Step 2: Convert to fraction form
    11,023.48/16,521.16 = 5,167.20/x
  3. Step 3: Cross multiply
    11,023.48x = 16,521.16 × 5,167.20
  4. Step 4: Simplify right side
    11,023.48x = 85,368,137.95
  5. Step 5: Solve for x
    x = 85,368,137.95/11,023.48
  6. Step 6: Final answer
    x = 7,744.21

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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.