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Finding the Fourth Proportional to 9,373.94, 12,937.37 and 5,394.95

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Solution

The fourth proportional to 9,373.94, 12,937.37 and 5,394.95 is: 7,445.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,373.94 : 12,937.37 = 5,394.95 : x
  2. Step 2: Convert to fraction form
    9,373.94/12,937.37 = 5,394.95/x
  3. Step 3: Cross multiply
    9,373.94x = 12,937.37 × 5,394.95
  4. Step 4: Simplify right side
    9,373.94x = 69,796,372.62
  5. Step 5: Solve for x
    x = 69,796,372.62/9,373.94
  6. Step 6: Final answer
    x = 7,445.79

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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.