Home / 8,262.12-11,401.74-4,485.30

Finding the Fourth Proportional to 8,262.12, 11,401.74 and 4,485.30

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Solution

The fourth proportional to 8,262.12, 11,401.74 and 4,485.30 is: 6,189.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262.12 : 11,401.74 = 4,485.30 : x
  2. Step 2: Convert to fraction form
    8,262.12/11,401.74 = 4,485.30/x
  3. Step 3: Cross multiply
    8,262.12x = 11,401.74 × 4,485.30
  4. Step 4: Simplify right side
    8,262.12x = 51,140,224.42
  5. Step 5: Solve for x
    x = 51,140,224.42/8,262.12
  6. Step 6: Final answer
    x = 6,189.72

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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.