Home / 11,268.81-15,552.33-6,553.11

Finding the Fourth Proportional to 11,268.81, 15,552.33 and 6,553.11

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Solution

The fourth proportional to 11,268.81, 15,552.33 and 6,553.11 is: 9,044.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,268.81 : 15,552.33 = 6,553.11 : x
  2. Step 2: Convert to fraction form
    11,268.81/15,552.33 = 6,553.11/x
  3. Step 3: Cross multiply
    11,268.81x = 15,552.33 × 6,553.11
  4. Step 4: Simplify right side
    11,268.81x = 101,916,129.25
  5. Step 5: Solve for x
    x = 101,916,129.25/11,268.81
  6. Step 6: Final answer
    x = 9,044.09

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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.