Home / 12,247.18-16,901.10-6,658.18

Finding the Fourth Proportional to 12,247.18, 16,901.10 and 6,658.18

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Solution

The fourth proportional to 12,247.18, 16,901.10 and 6,658.18 is: 9,188.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.18 : 16,901.10 = 6,658.18 : x
  2. Step 2: Convert to fraction form
    12,247.18/16,901.10 = 6,658.18/x
  3. Step 3: Cross multiply
    12,247.18x = 16,901.10 × 6,658.18
  4. Step 4: Simplify right side
    12,247.18x = 112,530,523.75
  5. Step 5: Solve for x
    x = 112,530,523.75/12,247.18
  6. Step 6: Final answer
    x = 9,188.28

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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.