Home / 12,531.73-17,283.81-8,055.94

Finding the Fourth Proportional to 12,531.73, 17,283.81 and 8,055.94

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Solution

The fourth proportional to 12,531.73, 17,283.81 and 8,055.94 is: 11,110.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.73 : 17,283.81 = 8,055.94 : x
  2. Step 2: Convert to fraction form
    12,531.73/17,283.81 = 8,055.94/x
  3. Step 3: Cross multiply
    12,531.73x = 17,283.81 × 8,055.94
  4. Step 4: Simplify right side
    12,531.73x = 139,237,336.33
  5. Step 5: Solve for x
    x = 139,237,336.33/12,531.73
  6. Step 6: Final answer
    x = 11,110.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.