Home / 12,217.24-16,851.10-11,212.19

Finding the Fourth Proportional to 12,217.24, 16,851.10 and 11,212.19

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Solution

The fourth proportional to 12,217.24, 16,851.10 and 11,212.19 is: 15,464.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217.24 : 16,851.10 = 11,212.19 : x
  2. Step 2: Convert to fraction form
    12,217.24/16,851.10 = 11,212.19/x
  3. Step 3: Cross multiply
    12,217.24x = 16,851.10 × 11,212.19
  4. Step 4: Simplify right side
    12,217.24x = 188,937,699.91
  5. Step 5: Solve for x
    x = 188,937,699.91/12,217.24
  6. Step 6: Final answer
    x = 15,464.84

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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.