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Finding the Fourth Proportional to 10,858.73, 14,984.91 and 6,383

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Solution

The fourth proportional to 10,858.73, 14,984.91 and 6,383 is: 8,808.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858.73 : 14,984.91 = 6,383 : x
  2. Step 2: Convert to fraction form
    10,858.73/14,984.91 = 6,383/x
  3. Step 3: Cross multiply
    10,858.73x = 14,984.91 × 6,383
  4. Step 4: Simplify right side
    10,858.73x = 95,648,680.53
  5. Step 5: Solve for x
    x = 95,648,680.53/10,858.73
  6. Step 6: Final answer
    x = 8,808.46

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Double scale
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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.