Home / 8,358.08-12,537.12-3,169.76

Finding the Fourth Proportional to 8,358.08, 12,537.12 and 3,169.76

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Solution

The fourth proportional to 8,358.08, 12,537.12 and 3,169.76 is: 4,754.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,358.08 : 12,537.12 = 3,169.76 : x
  2. Step 2: Convert to fraction form
    8,358.08/12,537.12 = 3,169.76/x
  3. Step 3: Cross multiply
    8,358.08x = 12,537.12 × 3,169.76
  4. Step 4: Simplify right side
    8,358.08x = 39,739,661.49
  5. Step 5: Solve for x
    x = 39,739,661.49/8,358.08
  6. Step 6: Final answer
    x = 4,754.64

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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.