Home / 8,752.23-13,120.45-5,942.01

Finding the Fourth Proportional to 8,752.23, 13,120.45 and 5,942.01

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Solution

The fourth proportional to 8,752.23, 13,120.45 and 5,942.01 is: 8,907.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.23 : 13,120.45 = 5,942.01 : x
  2. Step 2: Convert to fraction form
    8,752.23/13,120.45 = 5,942.01/x
  3. Step 3: Cross multiply
    8,752.23x = 13,120.45 × 5,942.01
  4. Step 4: Simplify right side
    8,752.23x = 77,961,845.10
  5. Step 5: Solve for x
    x = 77,961,845.10/8,752.23
  6. Step 6: Final answer
    x = 8,907.65

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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.