Home / 8,982.68-12,396.36-5,206.46

Finding the Fourth Proportional to 8,982.68, 12,396.36 and 5,206.46

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Solution

The fourth proportional to 8,982.68, 12,396.36 and 5,206.46 is: 7,185.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982.68 : 12,396.36 = 5,206.46 : x
  2. Step 2: Convert to fraction form
    8,982.68/12,396.36 = 5,206.46/x
  3. Step 3: Cross multiply
    8,982.68x = 12,396.36 × 5,206.46
  4. Step 4: Simplify right side
    8,982.68x = 64,541,152.49
  5. Step 5: Solve for x
    x = 64,541,152.49/8,982.68
  6. Step 6: Final answer
    x = 7,185.07

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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.