Home / 12,049.90-16,629.08-6,744.69

Finding the Fourth Proportional to 12,049.90, 16,629.08 and 6,744.69

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Solution

The fourth proportional to 12,049.90, 16,629.08 and 6,744.69 is: 9,307.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,049.90 : 16,629.08 = 6,744.69 : x
  2. Step 2: Convert to fraction form
    12,049.90/16,629.08 = 6,744.69/x
  3. Step 3: Cross multiply
    12,049.90x = 16,629.08 × 6,744.69
  4. Step 4: Simplify right side
    12,049.90x = 112,157,955.86
  5. Step 5: Solve for x
    x = 112,157,955.86/12,049.90
  6. Step 6: Final answer
    x = 9,307.79

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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.