Home / 8,122.07-11,210.81-4,765.03

Finding the Fourth Proportional to 8,122.07, 11,210.81 and 4,765.03

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Solution

The fourth proportional to 8,122.07, 11,210.81 and 4,765.03 is: 6,577.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122.07 : 11,210.81 = 4,765.03 : x
  2. Step 2: Convert to fraction form
    8,122.07/11,210.81 = 4,765.03/x
  3. Step 3: Cross multiply
    8,122.07x = 11,210.81 × 4,765.03
  4. Step 4: Simplify right side
    8,122.07x = 53,419,794.12
  5. Step 5: Solve for x
    x = 53,419,794.12/8,122.07
  6. Step 6: Final answer
    x = 6,577.11

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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.