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Finding the Fourth Proportional to 9,885.36, 14,811.63 and 6,957.52

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Solution

The fourth proportional to 9,885.36, 14,811.63 and 6,957.52 is: 10,424.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,885.36 : 14,811.63 = 6,957.52 : x
  2. Step 2: Convert to fraction form
    9,885.36/14,811.63 = 6,957.52/x
  3. Step 3: Cross multiply
    9,885.36x = 14,811.63 × 6,957.52
  4. Step 4: Simplify right side
    9,885.36x = 103,052,174.93
  5. Step 5: Solve for x
    x = 103,052,174.93/9,885.36
  6. Step 6: Final answer
    x = 10,424.73

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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.