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Finding the Fourth Proportional to 9,371.63, 12,937.02 and 7,133.60

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Solution

The fourth proportional to 9,371.63, 12,937.02 and 7,133.60 is: 9,847.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,371.63 : 12,937.02 = 7,133.60 : x
  2. Step 2: Convert to fraction form
    9,371.63/12,937.02 = 7,133.60/x
  3. Step 3: Cross multiply
    9,371.63x = 12,937.02 × 7,133.60
  4. Step 4: Simplify right side
    9,371.63x = 92,287,531.46
  5. Step 5: Solve for x
    x = 92,287,531.46/9,371.63
  6. Step 6: Final answer
    x = 9,847.54

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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.