Home / 11,929.44-16,463.88-7,213.56

Finding the Fourth Proportional to 11,929.44, 16,463.88 and 7,213.56

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Solution

The fourth proportional to 11,929.44, 16,463.88 and 7,213.56 is: 9,955.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.44 : 16,463.88 = 7,213.56 : x
  2. Step 2: Convert to fraction form
    11,929.44/16,463.88 = 7,213.56/x
  3. Step 3: Cross multiply
    11,929.44x = 16,463.88 × 7,213.56
  4. Step 4: Simplify right side
    11,929.44x = 118,763,186.21
  5. Step 5: Solve for x
    x = 118,763,186.21/11,929.44
  6. Step 6: Final answer
    x = 9,955.47

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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.