Home / 8,216.30-12,317.05-2,950.08

Finding the Fourth Proportional to 8,216.30, 12,317.05 and 2,950.08

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Solution

The fourth proportional to 8,216.30, 12,317.05 and 2,950.08 is: 4,422.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.30 : 12,317.05 = 2,950.08 : x
  2. Step 2: Convert to fraction form
    8,216.30/12,317.05 = 2,950.08/x
  3. Step 3: Cross multiply
    8,216.30x = 12,317.05 × 2,950.08
  4. Step 4: Simplify right side
    8,216.30x = 36,336,282.86
  5. Step 5: Solve for x
    x = 36,336,282.86/8,216.30
  6. Step 6: Final answer
    x = 4,422.46

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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.