Home / 12,731.08-17,563.68-9,186.52

Finding the Fourth Proportional to 12,731.08, 17,563.68 and 9,186.52

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Solution

The fourth proportional to 12,731.08, 17,563.68 and 9,186.52 is: 12,673.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731.08 : 17,563.68 = 9,186.52 : x
  2. Step 2: Convert to fraction form
    12,731.08/17,563.68 = 9,186.52/x
  3. Step 3: Cross multiply
    12,731.08x = 17,563.68 × 9,186.52
  4. Step 4: Simplify right side
    12,731.08x = 161,349,097.59
  5. Step 5: Solve for x
    x = 161,349,097.59/12,731.08
  6. Step 6: Final answer
    x = 12,673.64

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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.