Home / 7,927.20-11,868.93-4,012.47

Finding the Fourth Proportional to 7,927.20, 11,868.93 and 4,012.47

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Solution

The fourth proportional to 7,927.20, 11,868.93 and 4,012.47 is: 6,007.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.20 : 11,868.93 = 4,012.47 : x
  2. Step 2: Convert to fraction form
    7,927.20/11,868.93 = 4,012.47/x
  3. Step 3: Cross multiply
    7,927.20x = 11,868.93 × 4,012.47
  4. Step 4: Simplify right side
    7,927.20x = 47,623,725.56
  5. Step 5: Solve for x
    x = 47,623,725.56/7,927.20
  6. Step 6: Final answer
    x = 6,007.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.