Home / 11,359.94-15,682.86-7,967.36

Finding the Fourth Proportional to 11,359.94, 15,682.86 and 7,967.36

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Solution

The fourth proportional to 11,359.94, 15,682.86 and 7,967.36 is: 10,999.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,359.94 : 15,682.86 = 7,967.36 : x
  2. Step 2: Convert to fraction form
    11,359.94/15,682.86 = 7,967.36/x
  3. Step 3: Cross multiply
    11,359.94x = 15,682.86 × 7,967.36
  4. Step 4: Simplify right side
    11,359.94x = 124,950,951.61
  5. Step 5: Solve for x
    x = 124,950,951.61/11,359.94
  6. Step 6: Final answer
    x = 10,999.27

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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.