Home / 8,890.12-13,337.38-2,650.10

Finding the Fourth Proportional to 8,890.12, 13,337.38 and 2,650.10

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Solution

The fourth proportional to 8,890.12, 13,337.38 and 2,650.10 is: 3,975.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.12 : 13,337.38 = 2,650.10 : x
  2. Step 2: Convert to fraction form
    8,890.12/13,337.38 = 2,650.10/x
  3. Step 3: Cross multiply
    8,890.12x = 13,337.38 × 2,650.10
  4. Step 4: Simplify right side
    8,890.12x = 35,345,390.74
  5. Step 5: Solve for x
    x = 35,345,390.74/8,890.12
  6. Step 6: Final answer
    x = 3,975.81

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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.