Home / 11,927.88-16,460.28-7,212.24

Finding the Fourth Proportional to 11,927.88, 16,460.28 and 7,212.24

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Solution

The fourth proportional to 11,927.88, 16,460.28 and 7,212.24 is: 9,952.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.88 : 16,460.28 = 7,212.24 : x
  2. Step 2: Convert to fraction form
    11,927.88/16,460.28 = 7,212.24/x
  3. Step 3: Cross multiply
    11,927.88x = 16,460.28 × 7,212.24
  4. Step 4: Simplify right side
    11,927.88x = 118,715,489.83
  5. Step 5: Solve for x
    x = 118,715,489.83/11,927.88
  6. Step 6: Final answer
    x = 9,952.77

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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.