Home / 8,200.16-11,315.14-4,662.60

Finding the Fourth Proportional to 8,200.16, 11,315.14 and 4,662.60

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Solution

The fourth proportional to 8,200.16, 11,315.14 and 4,662.60 is: 6,433.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200.16 : 11,315.14 = 4,662.60 : x
  2. Step 2: Convert to fraction form
    8,200.16/11,315.14 = 4,662.60/x
  3. Step 3: Cross multiply
    8,200.16x = 11,315.14 × 4,662.60
  4. Step 4: Simplify right side
    8,200.16x = 52,757,971.76
  5. Step 5: Solve for x
    x = 52,757,971.76/8,200.16
  6. Step 6: Final answer
    x = 6,433.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.