Home / 11,647.92-17,474.64-5,075.28

Finding the Fourth Proportional to 11,647.92, 17,474.64 and 5,075.28

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Solution

The fourth proportional to 11,647.92, 17,474.64 and 5,075.28 is: 7,614.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,647.92 : 17,474.64 = 5,075.28 : x
  2. Step 2: Convert to fraction form
    11,647.92/17,474.64 = 5,075.28/x
  3. Step 3: Cross multiply
    11,647.92x = 17,474.64 × 5,075.28
  4. Step 4: Simplify right side
    11,647.92x = 88,688,690.90
  5. Step 5: Solve for x
    x = 88,688,690.90/11,647.92
  6. Step 6: Final answer
    x = 7,614.12

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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.