Home / 12,133.12-16,743.52-6,827.92

Finding the Fourth Proportional to 12,133.12, 16,743.52 and 6,827.92

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Solution

The fourth proportional to 12,133.12, 16,743.52 and 6,827.92 is: 9,422.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.12 : 16,743.52 = 6,827.92 : x
  2. Step 2: Convert to fraction form
    12,133.12/16,743.52 = 6,827.92/x
  3. Step 3: Cross multiply
    12,133.12x = 16,743.52 × 6,827.92
  4. Step 4: Simplify right side
    12,133.12x = 114,323,415.08
  5. Step 5: Solve for x
    x = 114,323,415.08/12,133.12
  6. Step 6: Final answer
    x = 9,422.43

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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.