Home / 12,035.10-18,048.12-4,135.36

Finding the Fourth Proportional to 12,035.10, 18,048.12 and 4,135.36

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Solution

The fourth proportional to 12,035.10, 18,048.12 and 4,135.36 is: 6,201.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,035.10 : 18,048.12 = 4,135.36 : x
  2. Step 2: Convert to fraction form
    12,035.10/18,048.12 = 4,135.36/x
  3. Step 3: Cross multiply
    12,035.10x = 18,048.12 × 4,135.36
  4. Step 4: Simplify right side
    12,035.10x = 74,635,473.52
  5. Step 5: Solve for x
    x = 74,635,473.52/12,035.10
  6. Step 6: Final answer
    x = 6,201.48

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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.