Home / 11,795.85-16,278.44-6,490.89

Finding the Fourth Proportional to 11,795.85, 16,278.44 and 6,490.89

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Solution

The fourth proportional to 11,795.85, 16,278.44 and 6,490.89 is: 8,957.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,795.85 : 16,278.44 = 6,490.89 : x
  2. Step 2: Convert to fraction form
    11,795.85/16,278.44 = 6,490.89/x
  3. Step 3: Cross multiply
    11,795.85x = 16,278.44 × 6,490.89
  4. Step 4: Simplify right side
    11,795.85x = 105,661,530.96
  5. Step 5: Solve for x
    x = 105,661,530.96/11,795.85
  6. Step 6: Final answer
    x = 8,957.52

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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.