Home / 12,035.05-18,055.53-4,137.68

Finding the Fourth Proportional to 12,035.05, 18,055.53 and 4,137.68

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Solution

The fourth proportional to 12,035.05, 18,055.53 and 4,137.68 is: 6,207.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,035.05 : 18,055.53 = 4,137.68 : x
  2. Step 2: Convert to fraction form
    12,035.05/18,055.53 = 4,137.68/x
  3. Step 3: Cross multiply
    12,035.05x = 18,055.53 × 4,137.68
  4. Step 4: Simplify right side
    12,035.05x = 74,708,050.51
  5. Step 5: Solve for x
    x = 74,708,050.51/12,035.05
  6. Step 6: Final answer
    x = 6,207.54

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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.