Home / 25,812.11-38,711.14-7,087.71

Finding the Fourth Proportional to 25,812.11, 38,711.14 and 7,087.71

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Solution

The fourth proportional to 25,812.11, 38,711.14 and 7,087.71 is: 10,629.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,812.11 : 38,711.14 = 7,087.71 : x
  2. Step 2: Convert to fraction form
    25,812.11/38,711.14 = 7,087.71/x
  3. Step 3: Cross multiply
    25,812.11x = 38,711.14 × 7,087.71
  4. Step 4: Simplify right side
    25,812.11x = 274,373,334.09
  5. Step 5: Solve for x
    x = 274,373,334.09/25,812.11
  6. Step 6: Final answer
    x = 10,629.64

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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.