Home / 11,963.68-16,530.02-8,599.80

Finding the Fourth Proportional to 11,963.68, 16,530.02 and 8,599.80

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Solution

The fourth proportional to 11,963.68, 16,530.02 and 8,599.80 is: 11,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,963.68 : 16,530.02 = 8,599.80 : x
  2. Step 2: Convert to fraction form
    11,963.68/16,530.02 = 8,599.80/x
  3. Step 3: Cross multiply
    11,963.68x = 16,530.02 × 8,599.80
  4. Step 4: Simplify right side
    11,963.68x = 142,154,866.00
  5. Step 5: Solve for x
    x = 142,154,866.00/11,963.68
  6. Step 6: Final answer
    x = 11,882.20

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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.