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Finding the Fourth Proportional to 10,666.28, 14,719.38 and 5,950.28

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Solution

The fourth proportional to 10,666.28, 14,719.38 and 5,950.28 is: 8,211.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.28 : 14,719.38 = 5,950.28 : x
  2. Step 2: Convert to fraction form
    10,666.28/14,719.38 = 5,950.28/x
  3. Step 3: Cross multiply
    10,666.28x = 14,719.38 × 5,950.28
  4. Step 4: Simplify right side
    10,666.28x = 87,584,432.43
  5. Step 5: Solve for x
    x = 87,584,432.43/10,666.28
  6. Step 6: Final answer
    x = 8,211.34

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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.