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Finding the Fourth Proportional to 7,946.01, 11,915.13 and 2,398.32

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Solution

The fourth proportional to 7,946.01, 11,915.13 and 2,398.32 is: 3,596.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.01 : 11,915.13 = 2,398.32 : x
  2. Step 2: Convert to fraction form
    7,946.01/11,915.13 = 2,398.32/x
  3. Step 3: Cross multiply
    7,946.01x = 11,915.13 × 2,398.32
  4. Step 4: Simplify right side
    7,946.01x = 28,576,294.58
  5. Step 5: Solve for x
    x = 28,576,294.58/7,946.01
  6. Step 6: Final answer
    x = 3,596.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.