Home / 9,131.03-13,693.80-4,746.09

Finding the Fourth Proportional to 9,131.03, 13,693.80 and 4,746.09

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Solution

The fourth proportional to 9,131.03, 13,693.80 and 4,746.09 is: 7,117.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,131.03 : 13,693.80 = 4,746.09 : x
  2. Step 2: Convert to fraction form
    9,131.03/13,693.80 = 4,746.09/x
  3. Step 3: Cross multiply
    9,131.03x = 13,693.80 × 4,746.09
  4. Step 4: Simplify right side
    9,131.03x = 64,992,007.24
  5. Step 5: Solve for x
    x = 64,992,007.24/9,131.03
  6. Step 6: Final answer
    x = 7,117.71

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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.