Home / 13,015.27-17,961.09-7,046.95

Finding the Fourth Proportional to 13,015.27, 17,961.09 and 7,046.95

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Solution

The fourth proportional to 13,015.27, 17,961.09 and 7,046.95 is: 9,724.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015.27 : 17,961.09 = 7,046.95 : x
  2. Step 2: Convert to fraction form
    13,015.27/17,961.09 = 7,046.95/x
  3. Step 3: Cross multiply
    13,015.27x = 17,961.09 × 7,046.95
  4. Step 4: Simplify right side
    13,015.27x = 126,570,798.17
  5. Step 5: Solve for x
    x = 126,570,798.17/13,015.27
  6. Step 6: Final answer
    x = 9,724.79

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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.