Home / 12,513.05-18,764.04-3,746.33

Finding the Fourth Proportional to 12,513.05, 18,764.04 and 3,746.33

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Solution

The fourth proportional to 12,513.05, 18,764.04 and 3,746.33 is: 5,617.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513.05 : 18,764.04 = 3,746.33 : x
  2. Step 2: Convert to fraction form
    12,513.05/18,764.04 = 3,746.33/x
  3. Step 3: Cross multiply
    12,513.05x = 18,764.04 × 3,746.33
  4. Step 4: Simplify right side
    12,513.05x = 70,296,285.97
  5. Step 5: Solve for x
    x = 70,296,285.97/12,513.05
  6. Step 6: Final answer
    x = 5,617.84

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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.