Home / 12,038.92-16,613.37-6,733.78

Finding the Fourth Proportional to 12,038.92, 16,613.37 and 6,733.78

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Solution

The fourth proportional to 12,038.92, 16,613.37 and 6,733.78 is: 9,292.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.92 : 16,613.37 = 6,733.78 : x
  2. Step 2: Convert to fraction form
    12,038.92/16,613.37 = 6,733.78/x
  3. Step 3: Cross multiply
    12,038.92x = 16,613.37 × 6,733.78
  4. Step 4: Simplify right side
    12,038.92x = 111,870,737.11
  5. Step 5: Solve for x
    x = 111,870,737.11/12,038.92
  6. Step 6: Final answer
    x = 9,292.42

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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.