Home / 11,880.30-16,393.59-6,843.52

Finding the Fourth Proportional to 11,880.30, 16,393.59 and 6,843.52

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Solution

The fourth proportional to 11,880.30, 16,393.59 and 6,843.52 is: 9,443.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880.30 : 16,393.59 = 6,843.52 : x
  2. Step 2: Convert to fraction form
    11,880.30/16,393.59 = 6,843.52/x
  3. Step 3: Cross multiply
    11,880.30x = 16,393.59 × 6,843.52
  4. Step 4: Simplify right side
    11,880.30x = 112,189,881.53
  5. Step 5: Solve for x
    x = 112,189,881.53/11,880.30
  6. Step 6: Final answer
    x = 9,443.35

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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.