Home / 10,202.10-15,303.88-4,273.02

Finding the Fourth Proportional to 10,202.10, 15,303.88 and 4,273.02

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Solution

The fourth proportional to 10,202.10, 15,303.88 and 4,273.02 is: 6,409.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,202.10 : 15,303.88 = 4,273.02 : x
  2. Step 2: Convert to fraction form
    10,202.10/15,303.88 = 4,273.02/x
  3. Step 3: Cross multiply
    10,202.10x = 15,303.88 × 4,273.02
  4. Step 4: Simplify right side
    10,202.10x = 65,393,785.32
  5. Step 5: Solve for x
    x = 65,393,785.32/10,202.10
  6. Step 6: Final answer
    x = 6,409.84

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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.