Home / 12,247.28-16,901.37-6,658.28

Finding the Fourth Proportional to 12,247.28, 16,901.37 and 6,658.28

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Solution

The fourth proportional to 12,247.28, 16,901.37 and 6,658.28 is: 9,188.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.28 : 16,901.37 = 6,658.28 : x
  2. Step 2: Convert to fraction form
    12,247.28/16,901.37 = 6,658.28/x
  3. Step 3: Cross multiply
    12,247.28x = 16,901.37 × 6,658.28
  4. Step 4: Simplify right side
    12,247.28x = 112,534,053.84
  5. Step 5: Solve for x
    x = 112,534,053.84/12,247.28
  6. Step 6: Final answer
    x = 9,188.49

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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.