Home / 12,176.28-18,267.57-3,411.27

Finding the Fourth Proportional to 12,176.28, 18,267.57 and 3,411.27

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Solution

The fourth proportional to 12,176.28, 18,267.57 and 3,411.27 is: 5,117.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176.28 : 18,267.57 = 3,411.27 : x
  2. Step 2: Convert to fraction form
    12,176.28/18,267.57 = 3,411.27/x
  3. Step 3: Cross multiply
    12,176.28x = 18,267.57 × 3,411.27
  4. Step 4: Simplify right side
    12,176.28x = 62,315,613.51
  5. Step 5: Solve for x
    x = 62,315,613.51/12,176.28
  6. Step 6: Final answer
    x = 5,117.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.