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Finding the Fourth Proportional to 11,098.82, 15,317.08 and 6,383

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Solution

The fourth proportional to 11,098.82, 15,317.08 and 6,383 is: 8,808.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,098.82 : 15,317.08 = 6,383 : x
  2. Step 2: Convert to fraction form
    11,098.82/15,317.08 = 6,383/x
  3. Step 3: Cross multiply
    11,098.82x = 15,317.08 × 6,383
  4. Step 4: Simplify right side
    11,098.82x = 97,768,921.64
  5. Step 5: Solve for x
    x = 97,768,921.64/11,098.82
  6. Step 6: Final answer
    x = 8,808.95

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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.