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Finding the Fourth Proportional to 11,903.22, 16,425.80 and 6,867.14

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Solution

The fourth proportional to 11,903.22, 16,425.80 and 6,867.14 is: 9,476.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,903.22 : 16,425.80 = 6,867.14 : x
  2. Step 2: Convert to fraction form
    11,903.22/16,425.80 = 6,867.14/x
  3. Step 3: Cross multiply
    11,903.22x = 16,425.80 × 6,867.14
  4. Step 4: Simplify right side
    11,903.22x = 112,798,268.21
  5. Step 5: Solve for x
    x = 112,798,268.21/11,903.22
  6. Step 6: Final answer
    x = 9,476.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.