Home / 7,336.08-10,989.20-5,857.80

Finding the Fourth Proportional to 7,336.08, 10,989.20 and 5,857.80

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Solution

The fourth proportional to 7,336.08, 10,989.20 and 5,857.80 is: 8,774.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,336.08 : 10,989.20 = 5,857.80 : x
  2. Step 2: Convert to fraction form
    7,336.08/10,989.20 = 5,857.80/x
  3. Step 3: Cross multiply
    7,336.08x = 10,989.20 × 5,857.80
  4. Step 4: Simplify right side
    7,336.08x = 64,372,535.76
  5. Step 5: Solve for x
    x = 64,372,535.76/7,336.08
  6. Step 6: Final answer
    x = 8,774.79

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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.