Home / 12,392.46-17,101.60-6,727.20

Finding the Fourth Proportional to 12,392.46, 17,101.60 and 6,727.20

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Solution

The fourth proportional to 12,392.46, 17,101.60 and 6,727.20 is: 9,283.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392.46 : 17,101.60 = 6,727.20 : x
  2. Step 2: Convert to fraction form
    12,392.46/17,101.60 = 6,727.20/x
  3. Step 3: Cross multiply
    12,392.46x = 17,101.60 × 6,727.20
  4. Step 4: Simplify right side
    12,392.46x = 115,045,898.77
  5. Step 5: Solve for x
    x = 115,045,898.77/12,392.46
  6. Step 6: Final answer
    x = 9,283.54

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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.