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Finding the Fourth Proportional to 10,858.71, 14,983.09 and 6,383.37

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Solution

The fourth proportional to 10,858.71, 14,983.09 and 6,383.37 is: 8,807.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858.71 : 14,983.09 = 6,383.37 : x
  2. Step 2: Convert to fraction form
    10,858.71/14,983.09 = 6,383.37/x
  3. Step 3: Cross multiply
    10,858.71x = 14,983.09 × 6,383.37
  4. Step 4: Simplify right side
    10,858.71x = 95,642,607.21
  5. Step 5: Solve for x
    x = 95,642,607.21/10,858.71
  6. Step 6: Final answer
    x = 8,807.92

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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.