Home / 7,307.04-10,083.84-4,163.28

Finding the Fourth Proportional to 7,307.04, 10,083.84 and 4,163.28

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Solution

The fourth proportional to 7,307.04, 10,083.84 and 4,163.28 is: 5,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,307.04 : 10,083.84 = 4,163.28 : x
  2. Step 2: Convert to fraction form
    7,307.04/10,083.84 = 4,163.28/x
  3. Step 3: Cross multiply
    7,307.04x = 10,083.84 × 4,163.28
  4. Step 4: Simplify right side
    7,307.04x = 41,981,849.40
  5. Step 5: Solve for x
    x = 41,981,849.40/7,307.04
  6. Step 6: Final answer
    x = 5,745.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.