Home / 11,643.86-16,068.95-6,338.86

Finding the Fourth Proportional to 11,643.86, 16,068.95 and 6,338.86

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Solution

The fourth proportional to 11,643.86, 16,068.95 and 6,338.86 is: 8,747.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,643.86 : 16,068.95 = 6,338.86 : x
  2. Step 2: Convert to fraction form
    11,643.86/16,068.95 = 6,338.86/x
  3. Step 3: Cross multiply
    11,643.86x = 16,068.95 × 6,338.86
  4. Step 4: Simplify right side
    11,643.86x = 101,858,824.40
  5. Step 5: Solve for x
    x = 101,858,824.40/11,643.86
  6. Step 6: Final answer
    x = 8,747.86

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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.