Home / 8,890.44-12,268.58-4,910.91

Finding the Fourth Proportional to 8,890.44, 12,268.58 and 4,910.91

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Solution

The fourth proportional to 8,890.44, 12,268.58 and 4,910.91 is: 6,776.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.44 : 12,268.58 = 4,910.91 : x
  2. Step 2: Convert to fraction form
    8,890.44/12,268.58 = 4,910.91/x
  3. Step 3: Cross multiply
    8,890.44x = 12,268.58 × 4,910.91
  4. Step 4: Simplify right side
    8,890.44x = 60,249,867.65
  5. Step 5: Solve for x
    x = 60,249,867.65/8,890.44
  6. Step 6: Final answer
    x = 6,776.93

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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.