Home / 10,102.06-15,155.54-3,438.50

Finding the Fourth Proportional to 10,102.06, 15,155.54 and 3,438.50

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Solution

The fourth proportional to 10,102.06, 15,155.54 and 3,438.50 is: 5,158.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.06 : 15,155.54 = 3,438.50 : x
  2. Step 2: Convert to fraction form
    10,102.06/15,155.54 = 3,438.50/x
  3. Step 3: Cross multiply
    10,102.06x = 15,155.54 × 3,438.50
  4. Step 4: Simplify right side
    10,102.06x = 52,112,324.29
  5. Step 5: Solve for x
    x = 52,112,324.29/10,102.06
  6. Step 6: Final answer
    x = 5,158.58

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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.