Home / 10,095.08-15,133.30-5,418.36

Finding the Fourth Proportional to 10,095.08, 15,133.30 and 5,418.36

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Solution

The fourth proportional to 10,095.08, 15,133.30 and 5,418.36 is: 8,122.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,095.08 : 15,133.30 = 5,418.36 : x
  2. Step 2: Convert to fraction form
    10,095.08/15,133.30 = 5,418.36/x
  3. Step 3: Cross multiply
    10,095.08x = 15,133.30 × 5,418.36
  4. Step 4: Simplify right side
    10,095.08x = 81,997,653.84
  5. Step 5: Solve for x
    x = 81,997,653.84/10,095.08
  6. Step 6: Final answer
    x = 8,122.54

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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.