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Finding the Fourth Proportional to 9,366.94, 12,925.99 and 5,118.14

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Solution

The fourth proportional to 9,366.94, 12,925.99 and 5,118.14 is: 7,062.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,366.94 : 12,925.99 = 5,118.14 : x
  2. Step 2: Convert to fraction form
    9,366.94/12,925.99 = 5,118.14/x
  3. Step 3: Cross multiply
    9,366.94x = 12,925.99 × 5,118.14
  4. Step 4: Simplify right side
    9,366.94x = 66,157,000.87
  5. Step 5: Solve for x
    x = 66,157,000.87/9,366.94
  6. Step 6: Final answer
    x = 7,062.82

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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.