Home / 11,133.09-16,707.80-8,967.96

Finding the Fourth Proportional to 11,133.09, 16,707.80 and 8,967.96

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Solution

The fourth proportional to 11,133.09, 16,707.80 and 8,967.96 is: 13,458.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.09 : 16,707.80 = 8,967.96 : x
  2. Step 2: Convert to fraction form
    11,133.09/16,707.80 = 8,967.96/x
  3. Step 3: Cross multiply
    11,133.09x = 16,707.80 × 8,967.96
  4. Step 4: Simplify right side
    11,133.09x = 149,834,904.51
  5. Step 5: Solve for x
    x = 149,834,904.51/11,133.09
  6. Step 6: Final answer
    x = 13,458.52

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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.