Home / 11,065.48-15,262.56-6,585.78

Finding the Fourth Proportional to 11,065.48, 15,262.56 and 6,585.78

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Solution

The fourth proportional to 11,065.48, 15,262.56 and 6,585.78 is: 9,083.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,065.48 : 15,262.56 = 6,585.78 : x
  2. Step 2: Convert to fraction form
    11,065.48/15,262.56 = 6,585.78/x
  3. Step 3: Cross multiply
    11,065.48x = 15,262.56 × 6,585.78
  4. Step 4: Simplify right side
    11,065.48x = 100,515,862.40
  5. Step 5: Solve for x
    x = 100,515,862.40/11,065.48
  6. Step 6: Final answer
    x = 9,083.73

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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.