Home / 12,049.40-16,628.16-6,744.21

Finding the Fourth Proportional to 12,049.40, 16,628.16 and 6,744.21

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Solution

The fourth proportional to 12,049.40, 16,628.16 and 6,744.21 is: 9,307.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,049.40 : 16,628.16 = 6,744.21 : x
  2. Step 2: Convert to fraction form
    12,049.40/16,628.16 = 6,744.21/x
  3. Step 3: Cross multiply
    12,049.40x = 16,628.16 × 6,744.21
  4. Step 4: Simplify right side
    12,049.40x = 112,143,861.38
  5. Step 5: Solve for x
    x = 112,143,861.38/12,049.40
  6. Step 6: Final answer
    x = 9,307.01

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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.