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Finding the Fourth Proportional to 9,313.83, 12,846.65 and 5,955.12

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Solution

The fourth proportional to 9,313.83, 12,846.65 and 5,955.12 is: 8,213.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,313.83 : 12,846.65 = 5,955.12 : x
  2. Step 2: Convert to fraction form
    9,313.83/12,846.65 = 5,955.12/x
  3. Step 3: Cross multiply
    9,313.83x = 12,846.65 × 5,955.12
  4. Step 4: Simplify right side
    9,313.83x = 76,503,312.57
  5. Step 5: Solve for x
    x = 76,503,312.57/9,313.83
  6. Step 6: Final answer
    x = 8,213.95

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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.