Home / 10,811.13-16,218.99-6,133.29

Finding the Fourth Proportional to 10,811.13, 16,218.99 and 6,133.29

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Solution

The fourth proportional to 10,811.13, 16,218.99 and 6,133.29 is: 9,201.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.13 : 16,218.99 = 6,133.29 : x
  2. Step 2: Convert to fraction form
    10,811.13/16,218.99 = 6,133.29/x
  3. Step 3: Cross multiply
    10,811.13x = 16,218.99 × 6,133.29
  4. Step 4: Simplify right side
    10,811.13x = 99,475,769.18
  5. Step 5: Solve for x
    x = 99,475,769.18/10,811.13
  6. Step 6: Final answer
    x = 9,201.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.