Home / 11,812.06-16,299.93-6,506.56

Finding the Fourth Proportional to 11,812.06, 16,299.93 and 6,506.56

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Solution

The fourth proportional to 11,812.06, 16,299.93 and 6,506.56 is: 8,978.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812.06 : 16,299.93 = 6,506.56 : x
  2. Step 2: Convert to fraction form
    11,812.06/16,299.93 = 6,506.56/x
  3. Step 3: Cross multiply
    11,812.06x = 16,299.93 × 6,506.56
  4. Step 4: Simplify right side
    11,812.06x = 106,056,472.54
  5. Step 5: Solve for x
    x = 106,056,472.54/11,812.06
  6. Step 6: Final answer
    x = 8,978.66

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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.