Home / 8,261.93-11,401.55-4,485.13

Finding the Fourth Proportional to 8,261.93, 11,401.55 and 4,485.13

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Solution

The fourth proportional to 8,261.93, 11,401.55 and 4,485.13 is: 6,189.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.93 : 11,401.55 = 4,485.13 : x
  2. Step 2: Convert to fraction form
    8,261.93/11,401.55 = 4,485.13/x
  3. Step 3: Cross multiply
    8,261.93x = 11,401.55 × 4,485.13
  4. Step 4: Simplify right side
    8,261.93x = 51,137,433.95
  5. Step 5: Solve for x
    x = 51,137,433.95/8,261.93
  6. Step 6: Final answer
    x = 6,189.53

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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.