Home / 11,795.76-16,277.76-6,490.56

Finding the Fourth Proportional to 11,795.76, 16,277.76 and 6,490.56

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Solution

The fourth proportional to 11,795.76, 16,277.76 and 6,490.56 is: 8,956.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,795.76 : 16,277.76 = 6,490.56 : x
  2. Step 2: Convert to fraction form
    11,795.76/16,277.76 = 6,490.56/x
  3. Step 3: Cross multiply
    11,795.76x = 16,277.76 × 6,490.56
  4. Step 4: Simplify right side
    11,795.76x = 105,651,777.95
  5. Step 5: Solve for x
    x = 105,651,777.95/11,795.76
  6. Step 6: Final answer
    x = 8,956.76

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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.