Home / 7,818.19-10,789.13-5,023.69

Finding the Fourth Proportional to 7,818.19, 10,789.13 and 5,023.69

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Solution

The fourth proportional to 7,818.19, 10,789.13 and 5,023.69 is: 6,932.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.19 : 10,789.13 = 5,023.69 : x
  2. Step 2: Convert to fraction form
    7,818.19/10,789.13 = 5,023.69/x
  3. Step 3: Cross multiply
    7,818.19x = 10,789.13 × 5,023.69
  4. Step 4: Simplify right side
    7,818.19x = 54,201,230.08
  5. Step 5: Solve for x
    x = 54,201,230.08/7,818.19
  6. Step 6: Final answer
    x = 6,932.71

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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.