Home / 12,476.95-18,699.75-6,238.69

Finding the Fourth Proportional to 12,476.95, 18,699.75 and 6,238.69

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Solution

The fourth proportional to 12,476.95, 18,699.75 and 6,238.69 is: 9,350.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.95 : 18,699.75 = 6,238.69 : x
  2. Step 2: Convert to fraction form
    12,476.95/18,699.75 = 6,238.69/x
  3. Step 3: Cross multiply
    12,476.95x = 18,699.75 × 6,238.69
  4. Step 4: Simplify right side
    12,476.95x = 116,661,896.58
  5. Step 5: Solve for x
    x = 116,661,896.58/12,476.95
  6. Step 6: Final answer
    x = 9,350.20

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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.