Home / 7,872.83-10,864.23-4,336.04

Finding the Fourth Proportional to 7,872.83, 10,864.23 and 4,336.04

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Solution

The fourth proportional to 7,872.83, 10,864.23 and 4,336.04 is: 5,983.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,872.83 : 10,864.23 = 4,336.04 : x
  2. Step 2: Convert to fraction form
    7,872.83/10,864.23 = 4,336.04/x
  3. Step 3: Cross multiply
    7,872.83x = 10,864.23 × 4,336.04
  4. Step 4: Simplify right side
    7,872.83x = 47,107,681.53
  5. Step 5: Solve for x
    x = 47,107,681.53/7,872.83
  6. Step 6: Final answer
    x = 5,983.58

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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.