Home / 11,505.12-17,265.36-6,314.64

Finding the Fourth Proportional to 11,505.12, 17,265.36 and 6,314.64

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Solution

The fourth proportional to 11,505.12, 17,265.36 and 6,314.64 is: 9,476.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,505.12 : 17,265.36 = 6,314.64 : x
  2. Step 2: Convert to fraction form
    11,505.12/17,265.36 = 6,314.64/x
  3. Step 3: Cross multiply
    11,505.12x = 17,265.36 × 6,314.64
  4. Step 4: Simplify right side
    11,505.12x = 109,024,532.87
  5. Step 5: Solve for x
    x = 109,024,532.87/11,505.12
  6. Step 6: Final answer
    x = 9,476.18

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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.