Home / 8,730.85-12,049.58-5,194.03

Finding the Fourth Proportional to 8,730.85, 12,049.58 and 5,194.03

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Solution

The fourth proportional to 8,730.85, 12,049.58 and 5,194.03 is: 7,168.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.85 : 12,049.58 = 5,194.03 : x
  2. Step 2: Convert to fraction form
    8,730.85/12,049.58 = 5,194.03/x
  3. Step 3: Cross multiply
    8,730.85x = 12,049.58 × 5,194.03
  4. Step 4: Simplify right side
    8,730.85x = 62,585,880.01
  5. Step 5: Solve for x
    x = 62,585,880.01/8,730.85
  6. Step 6: Final answer
    x = 7,168.36

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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.