Home / 8,303.12-12,450.28-2,458.88

Finding the Fourth Proportional to 8,303.12, 12,450.28 and 2,458.88

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Solution

The fourth proportional to 8,303.12, 12,450.28 and 2,458.88 is: 3,687.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303.12 : 12,450.28 = 2,458.88 : x
  2. Step 2: Convert to fraction form
    8,303.12/12,450.28 = 2,458.88/x
  3. Step 3: Cross multiply
    8,303.12x = 12,450.28 × 2,458.88
  4. Step 4: Simplify right side
    8,303.12x = 30,613,744.49
  5. Step 5: Solve for x
    x = 30,613,744.49/8,303.12
  6. Step 6: Final answer
    x = 3,687.02

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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.