Home / 11,183.77-15,452.27-9,317.53

Finding the Fourth Proportional to 11,183.77, 15,452.27 and 9,317.53

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Solution

The fourth proportional to 11,183.77, 15,452.27 and 9,317.53 is: 12,873.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,183.77 : 15,452.27 = 9,317.53 : x
  2. Step 2: Convert to fraction form
    11,183.77/15,452.27 = 9,317.53/x
  3. Step 3: Cross multiply
    11,183.77x = 15,452.27 × 9,317.53
  4. Step 4: Simplify right side
    11,183.77x = 143,976,989.29
  5. Step 5: Solve for x
    x = 143,976,989.29/11,183.77
  6. Step 6: Final answer
    x = 12,873.74

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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.