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Finding the Fourth Proportional to 8,343.04, 11,512.94 and 4,757.47

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Solution

The fourth proportional to 8,343.04, 11,512.94 and 4,757.47 is: 6,565.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343.04 : 11,512.94 = 4,757.47 : x
  2. Step 2: Convert to fraction form
    8,343.04/11,512.94 = 4,757.47/x
  3. Step 3: Cross multiply
    8,343.04x = 11,512.94 × 4,757.47
  4. Step 4: Simplify right side
    8,343.04x = 54,772,466.66
  5. Step 5: Solve for x
    x = 54,772,466.66/8,343.04
  6. Step 6: Final answer
    x = 6,565.05

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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.