Home / 8,863.51-13,300.13-3,320.68

Finding the Fourth Proportional to 8,863.51, 13,300.13 and 3,320.68

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Solution

The fourth proportional to 8,863.51, 13,300.13 and 3,320.68 is: 4,982.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.51 : 13,300.13 = 3,320.68 : x
  2. Step 2: Convert to fraction form
    8,863.51/13,300.13 = 3,320.68/x
  3. Step 3: Cross multiply
    8,863.51x = 13,300.13 × 3,320.68
  4. Step 4: Simplify right side
    8,863.51x = 44,165,475.69
  5. Step 5: Solve for x
    x = 44,165,475.69/8,863.51
  6. Step 6: Final answer
    x = 4,982.84

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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.