Home / 11,714.60-16,166.40-6,409.76

Finding the Fourth Proportional to 11,714.60, 16,166.40 and 6,409.76

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Solution

The fourth proportional to 11,714.60, 16,166.40 and 6,409.76 is: 8,845.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,714.60 : 16,166.40 = 6,409.76 : x
  2. Step 2: Convert to fraction form
    11,714.60/16,166.40 = 6,409.76/x
  3. Step 3: Cross multiply
    11,714.60x = 16,166.40 × 6,409.76
  4. Step 4: Simplify right side
    11,714.60x = 103,622,744.06
  5. Step 5: Solve for x
    x = 103,622,744.06/11,714.60
  6. Step 6: Final answer
    x = 8,845.61

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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.