Home / 11,521.32-17,281.37-3,201.81

Finding the Fourth Proportional to 11,521.32, 17,281.37 and 3,201.81

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Solution

The fourth proportional to 11,521.32, 17,281.37 and 3,201.81 is: 4,802.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,521.32 : 17,281.37 = 3,201.81 : x
  2. Step 2: Convert to fraction form
    11,521.32/17,281.37 = 3,201.81/x
  3. Step 3: Cross multiply
    11,521.32x = 17,281.37 × 3,201.81
  4. Step 4: Simplify right side
    11,521.32x = 55,331,647.27
  5. Step 5: Solve for x
    x = 55,331,647.27/11,521.32
  6. Step 6: Final answer
    x = 4,802.54

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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.