Home / 11,218.13-16,811.25-4,976.07

Finding the Fourth Proportional to 11,218.13, 16,811.25 and 4,976.07

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Solution

The fourth proportional to 11,218.13, 16,811.25 and 4,976.07 is: 7,457.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.13 : 16,811.25 = 4,976.07 : x
  2. Step 2: Convert to fraction form
    11,218.13/16,811.25 = 4,976.07/x
  3. Step 3: Cross multiply
    11,218.13x = 16,811.25 × 4,976.07
  4. Step 4: Simplify right side
    11,218.13x = 83,653,875.09
  5. Step 5: Solve for x
    x = 83,653,875.09/11,218.13
  6. Step 6: Final answer
    x = 7,457.03

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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.