Home / 7,286.22-10,056.15-4,143.42

Finding the Fourth Proportional to 7,286.22, 10,056.15 and 4,143.42

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Solution

The fourth proportional to 7,286.22, 10,056.15 and 4,143.42 is: 5,718.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.22 : 10,056.15 = 4,143.42 : x
  2. Step 2: Convert to fraction form
    7,286.22/10,056.15 = 4,143.42/x
  3. Step 3: Cross multiply
    7,286.22x = 10,056.15 × 4,143.42
  4. Step 4: Simplify right side
    7,286.22x = 41,666,853.03
  5. Step 5: Solve for x
    x = 41,666,853.03/7,286.22
  6. Step 6: Final answer
    x = 5,718.58

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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.