Home / 12,223.15-16,867.60-6,917.85

Finding the Fourth Proportional to 12,223.15, 16,867.60 and 6,917.85

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Solution

The fourth proportional to 12,223.15, 16,867.60 and 6,917.85 is: 9,546.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223.15 : 16,867.60 = 6,917.85 : x
  2. Step 2: Convert to fraction form
    12,223.15/16,867.60 = 6,917.85/x
  3. Step 3: Cross multiply
    12,223.15x = 16,867.60 × 6,917.85
  4. Step 4: Simplify right side
    12,223.15x = 116,687,509.37
  5. Step 5: Solve for x
    x = 116,687,509.37/12,223.15
  6. Step 6: Final answer
    x = 9,546.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.