Home / 10,055.50-15,081.16-3,813.36

Finding the Fourth Proportional to 10,055.50, 15,081.16 and 3,813.36

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Solution

The fourth proportional to 10,055.50, 15,081.16 and 3,813.36 is: 5,719.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,055.50 : 15,081.16 = 3,813.36 : x
  2. Step 2: Convert to fraction form
    10,055.50/15,081.16 = 3,813.36/x
  3. Step 3: Cross multiply
    10,055.50x = 15,081.16 × 3,813.36
  4. Step 4: Simplify right side
    10,055.50x = 57,509,892.30
  5. Step 5: Solve for x
    x = 57,509,892.30/10,055.50
  6. Step 6: Final answer
    x = 5,719.25

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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.