Home / 12,552.39-18,808.20-6,628.95

Finding the Fourth Proportional to 12,552.39, 18,808.20 and 6,628.95

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Solution

The fourth proportional to 12,552.39, 18,808.20 and 6,628.95 is: 9,932.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.39 : 18,808.20 = 6,628.95 : x
  2. Step 2: Convert to fraction form
    12,552.39/18,808.20 = 6,628.95/x
  3. Step 3: Cross multiply
    12,552.39x = 18,808.20 × 6,628.95
  4. Step 4: Simplify right side
    12,552.39x = 124,678,617.39
  5. Step 5: Solve for x
    x = 124,678,617.39/12,552.39
  6. Step 6: Final answer
    x = 9,932.66

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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.