Home / 7,454.13-10,286.10-4,096.86

Finding the Fourth Proportional to 7,454.13, 10,286.10 and 4,096.86

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Solution

The fourth proportional to 7,454.13, 10,286.10 and 4,096.86 is: 5,653.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.13 : 10,286.10 = 4,096.86 : x
  2. Step 2: Convert to fraction form
    7,454.13/10,286.10 = 4,096.86/x
  3. Step 3: Cross multiply
    7,454.13x = 10,286.10 × 4,096.86
  4. Step 4: Simplify right side
    7,454.13x = 42,140,711.65
  5. Step 5: Solve for x
    x = 42,140,711.65/7,454.13
  6. Step 6: Final answer
    x = 5,653.34

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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.