Home / 12,303.84-18,451.20-4,906.08

Finding the Fourth Proportional to 12,303.84, 18,451.20 and 4,906.08

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Solution

The fourth proportional to 12,303.84, 18,451.20 and 4,906.08 is: 7,357.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303.84 : 18,451.20 = 4,906.08 : x
  2. Step 2: Convert to fraction form
    12,303.84/18,451.20 = 4,906.08/x
  3. Step 3: Cross multiply
    12,303.84x = 18,451.20 × 4,906.08
  4. Step 4: Simplify right side
    12,303.84x = 90,523,063.30
  5. Step 5: Solve for x
    x = 90,523,063.30/12,303.84
  6. Step 6: Final answer
    x = 7,357.30

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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.