Home / 11,131.66-16,690.20-4,556.08

Finding the Fourth Proportional to 11,131.66, 16,690.20 and 4,556.08

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Solution

The fourth proportional to 11,131.66, 16,690.20 and 4,556.08 is: 6,831.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,131.66 : 16,690.20 = 4,556.08 : x
  2. Step 2: Convert to fraction form
    11,131.66/16,690.20 = 4,556.08/x
  3. Step 3: Cross multiply
    11,131.66x = 16,690.20 × 4,556.08
  4. Step 4: Simplify right side
    11,131.66x = 76,041,886.42
  5. Step 5: Solve for x
    x = 76,041,886.42/11,131.66
  6. Step 6: Final answer
    x = 6,831.14

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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.