Home / 12,727.68-17,563.34-7,062.35

Finding the Fourth Proportional to 12,727.68, 17,563.34 and 7,062.35

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Solution

The fourth proportional to 12,727.68, 17,563.34 and 7,062.35 is: 9,745.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,727.68 : 17,563.34 = 7,062.35 : x
  2. Step 2: Convert to fraction form
    12,727.68/17,563.34 = 7,062.35/x
  3. Step 3: Cross multiply
    12,727.68x = 17,563.34 × 7,062.35
  4. Step 4: Simplify right side
    12,727.68x = 124,038,331.12
  5. Step 5: Solve for x
    x = 124,038,331.12/12,727.68
  6. Step 6: Final answer
    x = 9,745.56

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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.