Home / 10,104.39-13,940.01-6,518.93

Finding the Fourth Proportional to 10,104.39, 13,940.01 and 6,518.93

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Solution

The fourth proportional to 10,104.39, 13,940.01 and 6,518.93 is: 8,993.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,104.39 : 13,940.01 = 6,518.93 : x
  2. Step 2: Convert to fraction form
    10,104.39/13,940.01 = 6,518.93/x
  3. Step 3: Cross multiply
    10,104.39x = 13,940.01 × 6,518.93
  4. Step 4: Simplify right side
    10,104.39x = 90,873,879.69
  5. Step 5: Solve for x
    x = 90,873,879.69/10,104.39
  6. Step 6: Final answer
    x = 8,993.50

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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.