Home / 6,517.12-9,775-1,837.01

Finding the Fourth Proportional to 6,517.12, 9,775 and 1,837.01

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Solution

The fourth proportional to 6,517.12, 9,775 and 1,837.01 is: 2,755.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517.12 : 9,775 = 1,837.01 : x
  2. Step 2: Convert to fraction form
    6,517.12/9,775 = 1,837.01/x
  3. Step 3: Cross multiply
    6,517.12x = 9,775 × 1,837.01
  4. Step 4: Simplify right side
    6,517.12x = 17,956,772.75
  5. Step 5: Solve for x
    x = 17,956,772.75/6,517.12
  6. Step 6: Final answer
    x = 2,755.32

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1.5x scale

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.