Home / 11,764.99-16,236.12-6,459.76

Finding the Fourth Proportional to 11,764.99, 16,236.12 and 6,459.76

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Solution

The fourth proportional to 11,764.99, 16,236.12 and 6,459.76 is: 8,914.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,764.99 : 16,236.12 = 6,459.76 : x
  2. Step 2: Convert to fraction form
    11,764.99/16,236.12 = 6,459.76/x
  3. Step 3: Cross multiply
    11,764.99x = 16,236.12 × 6,459.76
  4. Step 4: Simplify right side
    11,764.99x = 104,881,438.53
  5. Step 5: Solve for x
    x = 104,881,438.53/11,764.99
  6. Step 6: Final answer
    x = 8,914.71

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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.