Home / 12,048.12-16,625.60-6,742.88

Finding the Fourth Proportional to 12,048.12, 16,625.60 and 6,742.88

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Solution

The fourth proportional to 12,048.12, 16,625.60 and 6,742.88 is: 9,304.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048.12 : 16,625.60 = 6,742.88 : x
  2. Step 2: Convert to fraction form
    12,048.12/16,625.60 = 6,742.88/x
  3. Step 3: Cross multiply
    12,048.12x = 16,625.60 × 6,742.88
  4. Step 4: Simplify right side
    12,048.12x = 112,104,425.73
  5. Step 5: Solve for x
    x = 112,104,425.73/12,048.12
  6. Step 6: Final answer
    x = 9,304.72

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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.