Home / 7,930.30-10,926.19-5,236.72

Finding the Fourth Proportional to 7,930.30, 10,926.19 and 5,236.72

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Solution

The fourth proportional to 7,930.30, 10,926.19 and 5,236.72 is: 7,215.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.30 : 10,926.19 = 5,236.72 : x
  2. Step 2: Convert to fraction form
    7,930.30/10,926.19 = 5,236.72/x
  3. Step 3: Cross multiply
    7,930.30x = 10,926.19 × 5,236.72
  4. Step 4: Simplify right side
    7,930.30x = 57,217,357.29
  5. Step 5: Solve for x
    x = 57,217,357.29/7,930.30
  6. Step 6: Final answer
    x = 7,215.03

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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.