Home / 7,920.27-10,929.60-4,563.18

Finding the Fourth Proportional to 7,920.27, 10,929.60 and 4,563.18

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Solution

The fourth proportional to 7,920.27, 10,929.60 and 4,563.18 is: 6,296.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920.27 : 10,929.60 = 4,563.18 : x
  2. Step 2: Convert to fraction form
    7,920.27/10,929.60 = 4,563.18/x
  3. Step 3: Cross multiply
    7,920.27x = 10,929.60 × 4,563.18
  4. Step 4: Simplify right side
    7,920.27x = 49,873,732.13
  5. Step 5: Solve for x
    x = 49,873,732.13/7,920.27
  6. Step 6: Final answer
    x = 6,296.97

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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.