Home / 6,983.24-10,474.84-4,388

Finding the Fourth Proportional to 6,983.24, 10,474.84 and 4,388

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Solution

The fourth proportional to 6,983.24, 10,474.84 and 4,388 is: 6,581.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,983.24 : 10,474.84 = 4,388 : x
  2. Step 2: Convert to fraction form
    6,983.24/10,474.84 = 4,388/x
  3. Step 3: Cross multiply
    6,983.24x = 10,474.84 × 4,388
  4. Step 4: Simplify right side
    6,983.24x = 45,963,597.92
  5. Step 5: Solve for x
    x = 45,963,597.92/6,983.24
  6. Step 6: Final answer
    x = 6,581.99

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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.