Home / 10,933.65-15,090.68-6,954

Finding the Fourth Proportional to 10,933.65, 15,090.68 and 6,954

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Solution

The fourth proportional to 10,933.65, 15,090.68 and 6,954 is: 9,597.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.65 : 15,090.68 = 6,954 : x
  2. Step 2: Convert to fraction form
    10,933.65/15,090.68 = 6,954/x
  3. Step 3: Cross multiply
    10,933.65x = 15,090.68 × 6,954
  4. Step 4: Simplify right side
    10,933.65x = 104,940,588.72
  5. Step 5: Solve for x
    x = 104,940,588.72/10,933.65
  6. Step 6: Final answer
    x = 9,597.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.