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Finding the Fourth Proportional to 9,343.17, 13,946.40 and 8,235.99

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Solution

The fourth proportional to 9,343.17, 13,946.40 and 8,235.99 is: 12,293.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,343.17 : 13,946.40 = 8,235.99 : x
  2. Step 2: Convert to fraction form
    9,343.17/13,946.40 = 8,235.99/x
  3. Step 3: Cross multiply
    9,343.17x = 13,946.40 × 8,235.99
  4. Step 4: Simplify right side
    9,343.17x = 114,862,410.94
  5. Step 5: Solve for x
    x = 114,862,410.94/9,343.17
  6. Step 6: Final answer
    x = 12,293.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.