Home / 11,258.16-16,887.24-2,938.15

Finding the Fourth Proportional to 11,258.16, 16,887.24 and 2,938.15

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Solution

The fourth proportional to 11,258.16, 16,887.24 and 2,938.15 is: 4,407.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,258.16 : 16,887.24 = 2,938.15 : x
  2. Step 2: Convert to fraction form
    11,258.16/16,887.24 = 2,938.15/x
  3. Step 3: Cross multiply
    11,258.16x = 16,887.24 × 2,938.15
  4. Step 4: Simplify right side
    11,258.16x = 49,617,244.21
  5. Step 5: Solve for x
    x = 49,617,244.21/11,258.16
  6. Step 6: Final answer
    x = 4,407.23

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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.