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Finding the Fourth Proportional to 7,313.17, 10,971.12 and 2,930.97

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Solution

The fourth proportional to 7,313.17, 10,971.12 and 2,930.97 is: 4,397.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,313.17 : 10,971.12 = 2,930.97 : x
  2. Step 2: Convert to fraction form
    7,313.17/10,971.12 = 2,930.97/x
  3. Step 3: Cross multiply
    7,313.17x = 10,971.12 × 2,930.97
  4. Step 4: Simplify right side
    7,313.17x = 32,155,982.44
  5. Step 5: Solve for x
    x = 32,155,982.44/7,313.17
  6. Step 6: Final answer
    x = 4,397.00

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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.