Home / 9,265.86-13,897.32-3,421.08

Finding the Fourth Proportional to 9,265.86, 13,897.32 and 3,421.08

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Solution

The fourth proportional to 9,265.86, 13,897.32 and 3,421.08 is: 5,131.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,265.86 : 13,897.32 = 3,421.08 : x
  2. Step 2: Convert to fraction form
    9,265.86/13,897.32 = 3,421.08/x
  3. Step 3: Cross multiply
    9,265.86x = 13,897.32 × 3,421.08
  4. Step 4: Simplify right side
    9,265.86x = 47,543,843.51
  5. Step 5: Solve for x
    x = 47,543,843.51/9,265.86
  6. Step 6: Final answer
    x = 5,131.08

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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.