Home / 11,605.80-16,015.94-6,300.58

Finding the Fourth Proportional to 11,605.80, 16,015.94 and 6,300.58

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Solution

The fourth proportional to 11,605.80, 16,015.94 and 6,300.58 is: 8,694.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,605.80 : 16,015.94 = 6,300.58 : x
  2. Step 2: Convert to fraction form
    11,605.80/16,015.94 = 6,300.58/x
  3. Step 3: Cross multiply
    11,605.80x = 16,015.94 × 6,300.58
  4. Step 4: Simplify right side
    11,605.80x = 100,909,711.25
  5. Step 5: Solve for x
    x = 100,909,711.25/11,605.80
  6. Step 6: Final answer
    x = 8,694.77

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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.