Home / 10,907.16-16,360.89-3,115.97

Finding the Fourth Proportional to 10,907.16, 16,360.89 and 3,115.97

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Solution

The fourth proportional to 10,907.16, 16,360.89 and 3,115.97 is: 4,674.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,907.16 : 16,360.89 = 3,115.97 : x
  2. Step 2: Convert to fraction form
    10,907.16/16,360.89 = 3,115.97/x
  3. Step 3: Cross multiply
    10,907.16x = 16,360.89 × 3,115.97
  4. Step 4: Simplify right side
    10,907.16x = 50,980,010.28
  5. Step 5: Solve for x
    x = 50,980,010.28/10,907.16
  6. Step 6: Final answer
    x = 4,674.00

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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.