Home / 7,872.23-10,863.77-4,335.57

Finding the Fourth Proportional to 7,872.23, 10,863.77 and 4,335.57

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Solution

The fourth proportional to 7,872.23, 10,863.77 and 4,335.57 is: 5,983.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,872.23 : 10,863.77 = 4,335.57 : x
  2. Step 2: Convert to fraction form
    7,872.23/10,863.77 = 4,335.57/x
  3. Step 3: Cross multiply
    7,872.23x = 10,863.77 × 4,335.57
  4. Step 4: Simplify right side
    7,872.23x = 47,100,613.62
  5. Step 5: Solve for x
    x = 47,100,613.62/7,872.23
  6. Step 6: Final answer
    x = 5,983.13

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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.