Home / 12,085.25-16,677.65-7,370.51

Finding the Fourth Proportional to 12,085.25, 16,677.65 and 7,370.51

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Solution

The fourth proportional to 12,085.25, 16,677.65 and 7,370.51 is: 10,171.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,085.25 : 16,677.65 = 7,370.51 : x
  2. Step 2: Convert to fraction form
    12,085.25/16,677.65 = 7,370.51/x
  3. Step 3: Cross multiply
    12,085.25x = 16,677.65 × 7,370.51
  4. Step 4: Simplify right side
    12,085.25x = 122,922,786.10
  5. Step 5: Solve for x
    x = 122,922,786.10/12,085.25
  6. Step 6: Final answer
    x = 10,171.31

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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.