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Finding the Fourth Proportional to 10,646.01, 15,954.26 and 5,965.29

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Solution

The fourth proportional to 10,646.01, 15,954.26 and 5,965.29 is: 8,939.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646.01 : 15,954.26 = 5,965.29 : x
  2. Step 2: Convert to fraction form
    10,646.01/15,954.26 = 5,965.29/x
  3. Step 3: Cross multiply
    10,646.01x = 15,954.26 × 5,965.29
  4. Step 4: Simplify right side
    10,646.01x = 95,171,757.81
  5. Step 5: Solve for x
    x = 95,171,757.81/10,646.01
  6. Step 6: Final answer
    x = 8,939.66

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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.