Home / 7,872.04-10,863.33-4,335.16

Finding the Fourth Proportional to 7,872.04, 10,863.33 and 4,335.16

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Solution

The fourth proportional to 7,872.04, 10,863.33 and 4,335.16 is: 5,982.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,872.04 : 10,863.33 = 4,335.16 : x
  2. Step 2: Convert to fraction form
    7,872.04/10,863.33 = 4,335.16/x
  3. Step 3: Cross multiply
    7,872.04x = 10,863.33 × 4,335.16
  4. Step 4: Simplify right side
    7,872.04x = 47,094,273.68
  5. Step 5: Solve for x
    x = 47,094,273.68/7,872.04
  6. Step 6: Final answer
    x = 5,982.47

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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.