Home / 12,282.39-18,417.06-4,883.04

Finding the Fourth Proportional to 12,282.39, 18,417.06 and 4,883.04

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Solution

The fourth proportional to 12,282.39, 18,417.06 and 4,883.04 is: 7,321.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282.39 : 18,417.06 = 4,883.04 : x
  2. Step 2: Convert to fraction form
    12,282.39/18,417.06 = 4,883.04/x
  3. Step 3: Cross multiply
    12,282.39x = 18,417.06 × 4,883.04
  4. Step 4: Simplify right side
    12,282.39x = 89,931,240.66
  5. Step 5: Solve for x
    x = 89,931,240.66/12,282.39
  6. Step 6: Final answer
    x = 7,321.97

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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.