Home / 8,785.64-13,166.94-3,588.68

Finding the Fourth Proportional to 8,785.64, 13,166.94 and 3,588.68

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Solution

The fourth proportional to 8,785.64, 13,166.94 and 3,588.68 is: 5,378.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.64 : 13,166.94 = 3,588.68 : x
  2. Step 2: Convert to fraction form
    8,785.64/13,166.94 = 3,588.68/x
  3. Step 3: Cross multiply
    8,785.64x = 13,166.94 × 3,588.68
  4. Step 4: Simplify right side
    8,785.64x = 47,251,934.24
  5. Step 5: Solve for x
    x = 47,251,934.24/8,785.64
  6. Step 6: Final answer
    x = 5,378.31

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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.