Home / 6,621.48-9,931.55-3,500.28

Finding the Fourth Proportional to 6,621.48, 9,931.55 and 3,500.28

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Solution

The fourth proportional to 6,621.48, 9,931.55 and 3,500.28 is: 5,250.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.48 : 9,931.55 = 3,500.28 : x
  2. Step 2: Convert to fraction form
    6,621.48/9,931.55 = 3,500.28/x
  3. Step 3: Cross multiply
    6,621.48x = 9,931.55 × 3,500.28
  4. Step 4: Simplify right side
    6,621.48x = 34,763,188.33
  5. Step 5: Solve for x
    x = 34,763,188.33/6,621.48
  6. Step 6: Final answer
    x = 5,250.06

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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.