Home / 7,925.14-11,887.70-2,378.48

Finding the Fourth Proportional to 7,925.14, 11,887.70 and 2,378.48

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Solution

The fourth proportional to 7,925.14, 11,887.70 and 2,378.48 is: 3,567.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.14 : 11,887.70 = 2,378.48 : x
  2. Step 2: Convert to fraction form
    7,925.14/11,887.70 = 2,378.48/x
  3. Step 3: Cross multiply
    7,925.14x = 11,887.70 × 2,378.48
  4. Step 4: Simplify right side
    7,925.14x = 28,274,585.37
  5. Step 5: Solve for x
    x = 28,274,585.37/7,925.14
  6. Step 6: Final answer
    x = 3,567.71

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1.5x scale

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.