Home / 8,621.24-11,907.34-6,902.52

Finding the Fourth Proportional to 8,621.24, 11,907.34 and 6,902.52

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Solution

The fourth proportional to 8,621.24, 11,907.34 and 6,902.52 is: 9,533.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621.24 : 11,907.34 = 6,902.52 : x
  2. Step 2: Convert to fraction form
    8,621.24/11,907.34 = 6,902.52/x
  3. Step 3: Cross multiply
    8,621.24x = 11,907.34 × 6,902.52
  4. Step 4: Simplify right side
    8,621.24x = 82,190,652.50
  5. Step 5: Solve for x
    x = 82,190,652.50/8,621.24
  6. Step 6: Final answer
    x = 9,533.51

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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.