Home / 7,938.48-11,908.40-2,095.01

Finding the Fourth Proportional to 7,938.48, 11,908.40 and 2,095.01

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Solution

The fourth proportional to 7,938.48, 11,908.40 and 2,095.01 is: 3,142.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.48 : 11,908.40 = 2,095.01 : x
  2. Step 2: Convert to fraction form
    7,938.48/11,908.40 = 2,095.01/x
  3. Step 3: Cross multiply
    7,938.48x = 11,908.40 × 2,095.01
  4. Step 4: Simplify right side
    7,938.48x = 24,948,147.07
  5. Step 5: Solve for x
    x = 24,948,147.07/7,938.48
  6. Step 6: Final answer
    x = 3,142.69

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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.