Home / 8,922.68-12,313.27-4,943.79

Finding the Fourth Proportional to 8,922.68, 12,313.27 and 4,943.79

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Solution

The fourth proportional to 8,922.68, 12,313.27 and 4,943.79 is: 6,822.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.68 : 12,313.27 = 4,943.79 : x
  2. Step 2: Convert to fraction form
    8,922.68/12,313.27 = 4,943.79/x
  3. Step 3: Cross multiply
    8,922.68x = 12,313.27 × 4,943.79
  4. Step 4: Simplify right side
    8,922.68x = 60,874,199.46
  5. Step 5: Solve for x
    x = 60,874,199.46/8,922.68
  6. Step 6: Final answer
    x = 6,822.41

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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.