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Finding the Fourth Proportional to 9,343.08, 12,893.99 and 5,364.63

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Solution

The fourth proportional to 9,343.08, 12,893.99 and 5,364.63 is: 7,403.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,343.08 : 12,893.99 = 5,364.63 : x
  2. Step 2: Convert to fraction form
    9,343.08/12,893.99 = 5,364.63/x
  3. Step 3: Cross multiply
    9,343.08x = 12,893.99 × 5,364.63
  4. Step 4: Simplify right side
    9,343.08x = 69,171,458.75
  5. Step 5: Solve for x
    x = 69,171,458.75/9,343.08
  6. Step 6: Final answer
    x = 7,403.50

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Double scale
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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.