Home / 7,872.44-10,863.52-4,335.08

Finding the Fourth Proportional to 7,872.44, 10,863.52 and 4,335.08

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Solution

The fourth proportional to 7,872.44, 10,863.52 and 4,335.08 is: 5,982.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,872.44 : 10,863.52 = 4,335.08 : x
  2. Step 2: Convert to fraction form
    7,872.44/10,863.52 = 4,335.08/x
  3. Step 3: Cross multiply
    7,872.44x = 10,863.52 × 4,335.08
  4. Step 4: Simplify right side
    7,872.44x = 47,094,228.28
  5. Step 5: Solve for x
    x = 47,094,228.28/7,872.44
  6. Step 6: Final answer
    x = 5,982.16

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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.