Home / 7,818.27-10,789.49-4,281.48

Finding the Fourth Proportional to 7,818.27, 10,789.49 and 4,281.48

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Solution

The fourth proportional to 7,818.27, 10,789.49 and 4,281.48 is: 5,908.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.27 : 10,789.49 = 4,281.48 : x
  2. Step 2: Convert to fraction form
    7,818.27/10,789.49 = 4,281.48/x
  3. Step 3: Cross multiply
    7,818.27x = 10,789.49 × 4,281.48
  4. Step 4: Simplify right side
    7,818.27x = 46,194,964.24
  5. Step 5: Solve for x
    x = 46,194,964.24/7,818.27
  6. Step 6: Final answer
    x = 5,908.59

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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.