Home / 12,231.48-16,879.32-6,925.08

Finding the Fourth Proportional to 12,231.48, 16,879.32 and 6,925.08

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Solution

The fourth proportional to 12,231.48, 16,879.32 and 6,925.08 is: 9,556.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231.48 : 16,879.32 = 6,925.08 : x
  2. Step 2: Convert to fraction form
    12,231.48/16,879.32 = 6,925.08/x
  3. Step 3: Cross multiply
    12,231.48x = 16,879.32 × 6,925.08
  4. Step 4: Simplify right side
    12,231.48x = 116,890,641.35
  5. Step 5: Solve for x
    x = 116,890,641.35/12,231.48
  6. Step 6: Final answer
    x = 9,556.54

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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.