Home / 10,935.09-16,393.32-5,009.99

Finding the Fourth Proportional to 10,935.09, 16,393.32 and 5,009.99

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Solution

The fourth proportional to 10,935.09, 16,393.32 and 5,009.99 is: 7,510.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.09 : 16,393.32 = 5,009.99 : x
  2. Step 2: Convert to fraction form
    10,935.09/16,393.32 = 5,009.99/x
  3. Step 3: Cross multiply
    10,935.09x = 16,393.32 × 5,009.99
  4. Step 4: Simplify right side
    10,935.09x = 82,130,287.30
  5. Step 5: Solve for x
    x = 82,130,287.30/10,935.09
  6. Step 6: Final answer
    x = 7,510.71

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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.