Home / 8,762.28-13,138.58-5,992.08

Finding the Fourth Proportional to 8,762.28, 13,138.58 and 5,992.08

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Solution

The fourth proportional to 8,762.28, 13,138.58 and 5,992.08 is: 8,984.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,762.28 : 13,138.58 = 5,992.08 : x
  2. Step 2: Convert to fraction form
    8,762.28/13,138.58 = 5,992.08/x
  3. Step 3: Cross multiply
    8,762.28x = 13,138.58 × 5,992.08
  4. Step 4: Simplify right side
    8,762.28x = 78,727,422.45
  5. Step 5: Solve for x
    x = 78,727,422.45/8,762.28
  6. Step 6: Final answer
    x = 8,984.81

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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.