Home / 11,941.21-16,480.39-7,225.53

Finding the Fourth Proportional to 11,941.21, 16,480.39 and 7,225.53

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Solution

The fourth proportional to 11,941.21, 16,480.39 and 7,225.53 is: 9,972.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,941.21 : 16,480.39 = 7,225.53 : x
  2. Step 2: Convert to fraction form
    11,941.21/16,480.39 = 7,225.53/x
  3. Step 3: Cross multiply
    11,941.21x = 16,480.39 × 7,225.53
  4. Step 4: Simplify right side
    11,941.21x = 119,079,552.36
  5. Step 5: Solve for x
    x = 119,079,552.36/11,941.21
  6. Step 6: Final answer
    x = 9,972.15

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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.