Home / 12,486.38-17,319.51-12,037.52

Finding the Fourth Proportional to 12,486.38, 17,319.51 and 12,037.52

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Solution

The fourth proportional to 12,486.38, 17,319.51 and 12,037.52 is: 16,696.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,486.38 : 17,319.51 = 12,037.52 : x
  2. Step 2: Convert to fraction form
    12,486.38/17,319.51 = 12,037.52/x
  3. Step 3: Cross multiply
    12,486.38x = 17,319.51 × 12,037.52
  4. Step 4: Simplify right side
    12,486.38x = 208,483,991.31
  5. Step 5: Solve for x
    x = 208,483,991.31/12,486.38
  6. Step 6: Final answer
    x = 16,696.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.