Home / 7,475.62-10,316.08-4,286.72

Finding the Fourth Proportional to 7,475.62, 10,316.08 and 4,286.72

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Solution

The fourth proportional to 7,475.62, 10,316.08 and 4,286.72 is: 5,915.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.62 : 10,316.08 = 4,286.72 : x
  2. Step 2: Convert to fraction form
    7,475.62/10,316.08 = 4,286.72/x
  3. Step 3: Cross multiply
    7,475.62x = 10,316.08 × 4,286.72
  4. Step 4: Simplify right side
    7,475.62x = 44,222,073.44
  5. Step 5: Solve for x
    x = 44,222,073.44/7,475.62
  6. Step 6: Final answer
    x = 5,915.51

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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.