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Finding the Fourth Proportional to 7,962.15, 11,957.09 and 7,336.28

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Solution

The fourth proportional to 7,962.15, 11,957.09 and 7,336.28 is: 11,017.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.15 : 11,957.09 = 7,336.28 : x
  2. Step 2: Convert to fraction form
    7,962.15/11,957.09 = 7,336.28/x
  3. Step 3: Cross multiply
    7,962.15x = 11,957.09 × 7,336.28
  4. Step 4: Simplify right side
    7,962.15x = 87,720,463.76
  5. Step 5: Solve for x
    x = 87,720,463.76/7,962.15
  6. Step 6: Final answer
    x = 11,017.18

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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.