Home / 12,277.36-18,416.67-3,513.57

Finding the Fourth Proportional to 12,277.36, 18,416.67 and 3,513.57

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Solution

The fourth proportional to 12,277.36, 18,416.67 and 3,513.57 is: 5,270.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277.36 : 18,416.67 = 3,513.57 : x
  2. Step 2: Convert to fraction form
    12,277.36/18,416.67 = 3,513.57/x
  3. Step 3: Cross multiply
    12,277.36x = 18,416.67 × 3,513.57
  4. Step 4: Simplify right side
    12,277.36x = 64,708,259.21
  5. Step 5: Solve for x
    x = 64,708,259.21/12,277.36
  6. Step 6: Final answer
    x = 5,270.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.