Home / 7,616.48-11,424.29-2,421.95

Finding the Fourth Proportional to 7,616.48, 11,424.29 and 2,421.95

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Solution

The fourth proportional to 7,616.48, 11,424.29 and 2,421.95 is: 3,632.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.48 : 11,424.29 = 2,421.95 : x
  2. Step 2: Convert to fraction form
    7,616.48/11,424.29 = 2,421.95/x
  3. Step 3: Cross multiply
    7,616.48x = 11,424.29 × 2,421.95
  4. Step 4: Simplify right side
    7,616.48x = 27,668,989.93
  5. Step 5: Solve for x
    x = 27,668,989.93/7,616.48
  6. Step 6: Final answer
    x = 3,632.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.