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Finding the Fourth Proportional to 9,343, 12,892.08 and 5,363.38

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Solution

The fourth proportional to 9,343, 12,892.08 and 5,363.38 is: 7,400.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,343 : 12,892.08 = 5,363.38 : x
  2. Step 2: Convert to fraction form
    9,343/12,892.08 = 5,363.38/x
  3. Step 3: Cross multiply
    9,343x = 12,892.08 × 5,363.38
  4. Step 4: Simplify right side
    9,343x = 69,145,124.03
  5. Step 5: Solve for x
    x = 69,145,124.03/9,343
  6. Step 6: Final answer
    x = 7,400.74

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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.