Home / 11,218.50-16,831.17-4,645.08

Finding the Fourth Proportional to 11,218.50, 16,831.17 and 4,645.08

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Solution

The fourth proportional to 11,218.50, 16,831.17 and 4,645.08 is: 6,969.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.50 : 16,831.17 = 4,645.08 : x
  2. Step 2: Convert to fraction form
    11,218.50/16,831.17 = 4,645.08/x
  3. Step 3: Cross multiply
    11,218.50x = 16,831.17 × 4,645.08
  4. Step 4: Simplify right side
    11,218.50x = 78,182,131.14
  5. Step 5: Solve for x
    x = 78,182,131.14/11,218.50
  6. Step 6: Final answer
    x = 6,969.04

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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.