Home / 11,812.50-16,299.83-6,776.46

Finding the Fourth Proportional to 11,812.50, 16,299.83 and 6,776.46

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Solution

The fourth proportional to 11,812.50, 16,299.83 and 6,776.46 is: 9,350.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812.50 : 16,299.83 = 6,776.46 : x
  2. Step 2: Convert to fraction form
    11,812.50/16,299.83 = 6,776.46/x
  3. Step 3: Cross multiply
    11,812.50x = 16,299.83 × 6,776.46
  4. Step 4: Simplify right side
    11,812.50x = 110,455,146.00
  5. Step 5: Solve for x
    x = 110,455,146.00/11,812.50
  6. Step 6: Final answer
    x = 9,350.70

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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.