Home / 9,062.64-13,587.75-3,138.03

Finding the Fourth Proportional to 9,062.64, 13,587.75 and 3,138.03

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Solution

The fourth proportional to 9,062.64, 13,587.75 and 3,138.03 is: 4,704.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,062.64 : 13,587.75 = 3,138.03 : x
  2. Step 2: Convert to fraction form
    9,062.64/13,587.75 = 3,138.03/x
  3. Step 3: Cross multiply
    9,062.64x = 13,587.75 × 3,138.03
  4. Step 4: Simplify right side
    9,062.64x = 42,638,767.13
  5. Step 5: Solve for x
    x = 42,638,767.13/9,062.64
  6. Step 6: Final answer
    x = 4,704.89

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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.