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Finding the Fourth Proportional to 10,913.44, 15,059.97 and 6,133.57

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Solution

The fourth proportional to 10,913.44, 15,059.97 and 6,133.57 is: 8,464.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.44 : 15,059.97 = 6,133.57 : x
  2. Step 2: Convert to fraction form
    10,913.44/15,059.97 = 6,133.57/x
  3. Step 3: Cross multiply
    10,913.44x = 15,059.97 × 6,133.57
  4. Step 4: Simplify right side
    10,913.44x = 92,371,380.19
  5. Step 5: Solve for x
    x = 92,371,380.19/10,913.44
  6. Step 6: Final answer
    x = 8,464.00

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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.