Home / 11,961.60-16,508.31-6,925.74

Finding the Fourth Proportional to 11,961.60, 16,508.31 and 6,925.74

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Solution

The fourth proportional to 11,961.60, 16,508.31 and 6,925.74 is: 9,558.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.60 : 16,508.31 = 6,925.74 : x
  2. Step 2: Convert to fraction form
    11,961.60/16,508.31 = 6,925.74/x
  3. Step 3: Cross multiply
    11,961.60x = 16,508.31 × 6,925.74
  4. Step 4: Simplify right side
    11,961.60x = 114,332,262.90
  5. Step 5: Solve for x
    x = 114,332,262.90/11,961.60
  6. Step 6: Final answer
    x = 9,558.28

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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.