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Finding the Fourth Proportional to 12,247.01, 16,901.15 and 6,658.01

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Solution

The fourth proportional to 12,247.01, 16,901.15 and 6,658.01 is: 9,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.01 : 16,901.15 = 6,658.01 : x
  2. Step 2: Convert to fraction form
    12,247.01/16,901.15 = 6,658.01/x
  3. Step 3: Cross multiply
    12,247.01x = 16,901.15 × 6,658.01
  4. Step 4: Simplify right side
    12,247.01x = 112,527,907.92
  5. Step 5: Solve for x
    x = 112,527,907.92/12,247.01
  6. Step 6: Final answer
    x = 9,188.20

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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.