Home / 10,199.72-15,299.58-2,804.02

Finding the Fourth Proportional to 10,199.72, 15,299.58 and 2,804.02

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Solution

The fourth proportional to 10,199.72, 15,299.58 and 2,804.02 is: 4,206.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,199.72 : 15,299.58 = 2,804.02 : x
  2. Step 2: Convert to fraction form
    10,199.72/15,299.58 = 2,804.02/x
  3. Step 3: Cross multiply
    10,199.72x = 15,299.58 × 2,804.02
  4. Step 4: Simplify right side
    10,199.72x = 42,900,300.58
  5. Step 5: Solve for x
    x = 42,900,300.58/10,199.72
  6. Step 6: Final answer
    x = 4,206.03

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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.