Home / 8,088.78-12,133.06-2,542.47

Finding the Fourth Proportional to 8,088.78, 12,133.06 and 2,542.47

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Solution

The fourth proportional to 8,088.78, 12,133.06 and 2,542.47 is: 3,813.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,088.78 : 12,133.06 = 2,542.47 : x
  2. Step 2: Convert to fraction form
    8,088.78/12,133.06 = 2,542.47/x
  3. Step 3: Cross multiply
    8,088.78x = 12,133.06 × 2,542.47
  4. Step 4: Simplify right side
    8,088.78x = 30,847,941.06
  5. Step 5: Solve for x
    x = 30,847,941.06/8,088.78
  6. Step 6: Final answer
    x = 3,813.67

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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.