Home / 11,880.88-16,395.39-6,845.07

Finding the Fourth Proportional to 11,880.88, 16,395.39 and 6,845.07

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Solution

The fourth proportional to 11,880.88, 16,395.39 and 6,845.07 is: 9,446.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880.88 : 16,395.39 = 6,845.07 : x
  2. Step 2: Convert to fraction form
    11,880.88/16,395.39 = 6,845.07/x
  3. Step 3: Cross multiply
    11,880.88x = 16,395.39 × 6,845.07
  4. Step 4: Simplify right side
    11,880.88x = 112,227,592.23
  5. Step 5: Solve for x
    x = 112,227,592.23/11,880.88
  6. Step 6: Final answer
    x = 9,446.07

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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.