Home / 11,218.48-16,827.99-5,368.66

Finding the Fourth Proportional to 11,218.48, 16,827.99 and 5,368.66

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Solution

The fourth proportional to 11,218.48, 16,827.99 and 5,368.66 is: 8,053.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.48 : 16,827.99 = 5,368.66 : x
  2. Step 2: Convert to fraction form
    11,218.48/16,827.99 = 5,368.66/x
  3. Step 3: Cross multiply
    11,218.48x = 16,827.99 × 5,368.66
  4. Step 4: Simplify right side
    11,218.48x = 90,343,756.79
  5. Step 5: Solve for x
    x = 90,343,756.79/11,218.48
  6. Step 6: Final answer
    x = 8,053.12

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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.