Home / 11,203.51-16,807.70-3,412.12

Finding the Fourth Proportional to 11,203.51, 16,807.70 and 3,412.12

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Solution

The fourth proportional to 11,203.51, 16,807.70 and 3,412.12 is: 5,118.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,203.51 : 16,807.70 = 3,412.12 : x
  2. Step 2: Convert to fraction form
    11,203.51/16,807.70 = 3,412.12/x
  3. Step 3: Cross multiply
    11,203.51x = 16,807.70 × 3,412.12
  4. Step 4: Simplify right side
    11,203.51x = 57,349,889.32
  5. Step 5: Solve for x
    x = 57,349,889.32/11,203.51
  6. Step 6: Final answer
    x = 5,118.92

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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.