Home / 12,934.87-19,401.37-4,613.95

Finding the Fourth Proportional to 12,934.87, 19,401.37 and 4,613.95

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Solution

The fourth proportional to 12,934.87, 19,401.37 and 4,613.95 is: 6,920.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934.87 : 19,401.37 = 4,613.95 : x
  2. Step 2: Convert to fraction form
    12,934.87/19,401.37 = 4,613.95/x
  3. Step 3: Cross multiply
    12,934.87x = 19,401.37 × 4,613.95
  4. Step 4: Simplify right side
    12,934.87x = 89,516,951.11
  5. Step 5: Solve for x
    x = 89,516,951.11/12,934.87
  6. Step 6: Final answer
    x = 6,920.59

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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.