Home / 11,538.12-17,314.74-6,347.64

Finding the Fourth Proportional to 11,538.12, 17,314.74 and 6,347.64

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Solution

The fourth proportional to 11,538.12, 17,314.74 and 6,347.64 is: 9,525.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,538.12 : 17,314.74 = 6,347.64 : x
  2. Step 2: Convert to fraction form
    11,538.12/17,314.74 = 6,347.64/x
  3. Step 3: Cross multiply
    11,538.12x = 17,314.74 × 6,347.64
  4. Step 4: Simplify right side
    11,538.12x = 109,907,736.21
  5. Step 5: Solve for x
    x = 109,907,736.21/11,538.12
  6. Step 6: Final answer
    x = 9,525.62

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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.