Home / 10,907.12-16,360.33-3,115.93

Finding the Fourth Proportional to 10,907.12, 16,360.33 and 3,115.93

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Solution

The fourth proportional to 10,907.12, 16,360.33 and 3,115.93 is: 4,673.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,907.12 : 16,360.33 = 3,115.93 : x
  2. Step 2: Convert to fraction form
    10,907.12/16,360.33 = 3,115.93/x
  3. Step 3: Cross multiply
    10,907.12x = 16,360.33 × 3,115.93
  4. Step 4: Simplify right side
    10,907.12x = 50,977,643.06
  5. Step 5: Solve for x
    x = 50,977,643.06/10,907.12
  6. Step 6: Final answer
    x = 4,673.80

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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.