Home / 7,927.48-11,902.06-5,108.68

Finding the Fourth Proportional to 7,927.48, 11,902.06 and 5,108.68

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Solution

The fourth proportional to 7,927.48, 11,902.06 and 5,108.68 is: 7,670.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.48 : 11,902.06 = 5,108.68 : x
  2. Step 2: Convert to fraction form
    7,927.48/11,902.06 = 5,108.68/x
  3. Step 3: Cross multiply
    7,927.48x = 11,902.06 × 5,108.68
  4. Step 4: Simplify right side
    7,927.48x = 60,803,815.88
  5. Step 5: Solve for x
    x = 60,803,815.88/7,927.48
  6. Step 6: Final answer
    x = 7,670.01

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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.