Home / 13,175.92-18,182.93-7,207.68

Finding the Fourth Proportional to 13,175.92, 18,182.93 and 7,207.68

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Solution

The fourth proportional to 13,175.92, 18,182.93 and 7,207.68 is: 9,946.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.92 : 18,182.93 = 7,207.68 : x
  2. Step 2: Convert to fraction form
    13,175.92/18,182.93 = 7,207.68/x
  3. Step 3: Cross multiply
    13,175.92x = 18,182.93 × 7,207.68
  4. Step 4: Simplify right side
    13,175.92x = 131,056,813.59
  5. Step 5: Solve for x
    x = 131,056,813.59/13,175.92
  6. Step 6: Final answer
    x = 9,946.69

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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.