Home / 7,282.12-10,045.27-5,045.31

Finding the Fourth Proportional to 7,282.12, 10,045.27 and 5,045.31

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Solution

The fourth proportional to 7,282.12, 10,045.27 and 5,045.31 is: 6,959.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,282.12 : 10,045.27 = 5,045.31 : x
  2. Step 2: Convert to fraction form
    7,282.12/10,045.27 = 5,045.31/x
  3. Step 3: Cross multiply
    7,282.12x = 10,045.27 × 5,045.31
  4. Step 4: Simplify right side
    7,282.12x = 50,681,425.73
  5. Step 5: Solve for x
    x = 50,681,425.73/7,282.12
  6. Step 6: Final answer
    x = 6,959.71

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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.