Home / 11,040.48-15,231.78-6,564.42

Finding the Fourth Proportional to 11,040.48, 15,231.78 and 6,564.42

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Solution

The fourth proportional to 11,040.48, 15,231.78 and 6,564.42 is: 9,056.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040.48 : 15,231.78 = 6,564.42 : x
  2. Step 2: Convert to fraction form
    11,040.48/15,231.78 = 6,564.42/x
  3. Step 3: Cross multiply
    11,040.48x = 15,231.78 × 6,564.42
  4. Step 4: Simplify right side
    11,040.48x = 99,987,801.27
  5. Step 5: Solve for x
    x = 99,987,801.27/11,040.48
  6. Step 6: Final answer
    x = 9,056.47

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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.