Home / 7,972.08-11,948.08-5,051.20

Finding the Fourth Proportional to 7,972.08, 11,948.08 and 5,051.20

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Solution

The fourth proportional to 7,972.08, 11,948.08 and 5,051.20 is: 7,570.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.08 : 11,948.08 = 5,051.20 : x
  2. Step 2: Convert to fraction form
    7,972.08/11,948.08 = 5,051.20/x
  3. Step 3: Cross multiply
    7,972.08x = 11,948.08 × 5,051.20
  4. Step 4: Simplify right side
    7,972.08x = 60,352,141.70
  5. Step 5: Solve for x
    x = 60,352,141.70/7,972.08
  6. Step 6: Final answer
    x = 7,570.44

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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.