Home / 12,032.70-16,605.45-6,727.20

Finding the Fourth Proportional to 12,032.70, 16,605.45 and 6,727.20

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Solution

The fourth proportional to 12,032.70, 16,605.45 and 6,727.20 is: 9,283.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,032.70 : 16,605.45 = 6,727.20 : x
  2. Step 2: Convert to fraction form
    12,032.70/16,605.45 = 6,727.20/x
  3. Step 3: Cross multiply
    12,032.70x = 16,605.45 × 6,727.20
  4. Step 4: Simplify right side
    12,032.70x = 111,708,183.24
  5. Step 5: Solve for x
    x = 111,708,183.24/12,032.70
  6. Step 6: Final answer
    x = 9,283.72

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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.