Home / 11,122.92-16,703.46-9,876.32

Finding the Fourth Proportional to 11,122.92, 16,703.46 and 9,876.32

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Solution

The fourth proportional to 11,122.92, 16,703.46 and 9,876.32 is: 14,831.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122.92 : 16,703.46 = 9,876.32 : x
  2. Step 2: Convert to fraction form
    11,122.92/16,703.46 = 9,876.32/x
  3. Step 3: Cross multiply
    11,122.92x = 16,703.46 × 9,876.32
  4. Step 4: Simplify right side
    11,122.92x = 164,968,716.07
  5. Step 5: Solve for x
    x = 164,968,716.07/11,122.92
  6. Step 6: Final answer
    x = 14,831.42

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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.