Home / 8,758.15-13,137.46-2,184.39

Finding the Fourth Proportional to 8,758.15, 13,137.46 and 2,184.39

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Solution

The fourth proportional to 8,758.15, 13,137.46 and 2,184.39 is: 3,276.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.15 : 13,137.46 = 2,184.39 : x
  2. Step 2: Convert to fraction form
    8,758.15/13,137.46 = 2,184.39/x
  3. Step 3: Cross multiply
    8,758.15x = 13,137.46 × 2,184.39
  4. Step 4: Simplify right side
    8,758.15x = 28,697,330.79
  5. Step 5: Solve for x
    x = 28,697,330.79/8,758.15
  6. Step 6: Final answer
    x = 3,276.64

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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.