Home / 10,851.09-14,983.00-8,329.21

Finding the Fourth Proportional to 10,851.09, 14,983.00 and 8,329.21

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Solution

The fourth proportional to 10,851.09, 14,983.00 and 8,329.21 is: 11,500.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.09 : 14,983.00 = 8,329.21 : x
  2. Step 2: Convert to fraction form
    10,851.09/14,983.00 = 8,329.21/x
  3. Step 3: Cross multiply
    10,851.09x = 14,983.00 × 8,329.21
  4. Step 4: Simplify right side
    10,851.09x = 124,796,542.00
  5. Step 5: Solve for x
    x = 124,796,542.00/10,851.09
  6. Step 6: Final answer
    x = 11,500.83

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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.