Home / 7,524.14-10,382.63-4,166.78

Finding the Fourth Proportional to 7,524.14, 10,382.63 and 4,166.78

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Solution

The fourth proportional to 7,524.14, 10,382.63 and 4,166.78 is: 5,749.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,524.14 : 10,382.63 = 4,166.78 : x
  2. Step 2: Convert to fraction form
    7,524.14/10,382.63 = 4,166.78/x
  3. Step 3: Cross multiply
    7,524.14x = 10,382.63 × 4,166.78
  4. Step 4: Simplify right side
    7,524.14x = 43,262,062.28
  5. Step 5: Solve for x
    x = 43,262,062.28/7,524.14
  6. Step 6: Final answer
    x = 5,749.77

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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.