Home / 7,911.02-11,869.80-3,466.38

Finding the Fourth Proportional to 7,911.02, 11,869.80 and 3,466.38

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Solution

The fourth proportional to 7,911.02, 11,869.80 and 3,466.38 is: 5,201.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,911.02 : 11,869.80 = 3,466.38 : x
  2. Step 2: Convert to fraction form
    7,911.02/11,869.80 = 3,466.38/x
  3. Step 3: Cross multiply
    7,911.02x = 11,869.80 × 3,466.38
  4. Step 4: Simplify right side
    7,911.02x = 41,145,268.84
  5. Step 5: Solve for x
    x = 41,145,268.84/7,911.02
  6. Step 6: Final answer
    x = 5,201.01

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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.