Home / 12,113.04-18,169.04-3,792.87

Finding the Fourth Proportional to 12,113.04, 18,169.04 and 3,792.87

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Solution

The fourth proportional to 12,113.04, 18,169.04 and 3,792.87 is: 5,689.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113.04 : 18,169.04 = 3,792.87 : x
  2. Step 2: Convert to fraction form
    12,113.04/18,169.04 = 3,792.87/x
  3. Step 3: Cross multiply
    12,113.04x = 18,169.04 × 3,792.87
  4. Step 4: Simplify right side
    12,113.04x = 68,912,742.36
  5. Step 5: Solve for x
    x = 68,912,742.36/12,113.04
  6. Step 6: Final answer
    x = 5,689.14

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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.