Home / 7,365.49-10,163.84-4,179.46

Finding the Fourth Proportional to 7,365.49, 10,163.84 and 4,179.46

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Solution

The fourth proportional to 7,365.49, 10,163.84 and 4,179.46 is: 5,767.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,365.49 : 10,163.84 = 4,179.46 : x
  2. Step 2: Convert to fraction form
    7,365.49/10,163.84 = 4,179.46/x
  3. Step 3: Cross multiply
    7,365.49x = 10,163.84 × 4,179.46
  4. Step 4: Simplify right side
    7,365.49x = 42,479,316.42
  5. Step 5: Solve for x
    x = 42,479,316.42/7,365.49
  6. Step 6: Final answer
    x = 5,767.35

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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.