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Finding the Fourth Proportional to 9,304.88, 12,840.73 and 5,113.13

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Solution

The fourth proportional to 9,304.88, 12,840.73 and 5,113.13 is: 7,056.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,304.88 : 12,840.73 = 5,113.13 : x
  2. Step 2: Convert to fraction form
    9,304.88/12,840.73 = 5,113.13/x
  3. Step 3: Cross multiply
    9,304.88x = 12,840.73 × 5,113.13
  4. Step 4: Simplify right side
    9,304.88x = 65,656,244.80
  5. Step 5: Solve for x
    x = 65,656,244.80/9,304.88
  6. Step 6: Final answer
    x = 7,056.11

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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.