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Finding the Fourth Proportional to 11,251.71, 15,526.43 and 6,471.41

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Solution

The fourth proportional to 11,251.71, 15,526.43 and 6,471.41 is: 8,930.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.71 : 15,526.43 = 6,471.41 : x
  2. Step 2: Convert to fraction form
    11,251.71/15,526.43 = 6,471.41/x
  3. Step 3: Cross multiply
    11,251.71x = 15,526.43 × 6,471.41
  4. Step 4: Simplify right side
    11,251.71x = 100,477,894.37
  5. Step 5: Solve for x
    x = 100,477,894.37/11,251.71
  6. Step 6: Final answer
    x = 8,930.01

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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.