Home / 10,743.35-16,121.50-4,587.35

Finding the Fourth Proportional to 10,743.35, 16,121.50 and 4,587.35

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Solution

The fourth proportional to 10,743.35, 16,121.50 and 4,587.35 is: 6,883.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,743.35 : 16,121.50 = 4,587.35 : x
  2. Step 2: Convert to fraction form
    10,743.35/16,121.50 = 4,587.35/x
  3. Step 3: Cross multiply
    10,743.35x = 16,121.50 × 4,587.35
  4. Step 4: Simplify right side
    10,743.35x = 73,954,859.48
  5. Step 5: Solve for x
    x = 73,954,859.48/10,743.35
  6. Step 6: Final answer
    x = 6,883.78

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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.