Home / 9,025.77-13,540.20-2,785.67

Finding the Fourth Proportional to 9,025.77, 13,540.20 and 2,785.67

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Solution

The fourth proportional to 9,025.77, 13,540.20 and 2,785.67 is: 4,178.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,025.77 : 13,540.20 = 2,785.67 : x
  2. Step 2: Convert to fraction form
    9,025.77/13,540.20 = 2,785.67/x
  3. Step 3: Cross multiply
    9,025.77x = 13,540.20 × 2,785.67
  4. Step 4: Simplify right side
    9,025.77x = 37,718,528.93
  5. Step 5: Solve for x
    x = 37,718,528.93/9,025.77
  6. Step 6: Final answer
    x = 4,178.98

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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.