Home / 10,570.30-15,855.44-2,672.83

Finding the Fourth Proportional to 10,570.30, 15,855.44 and 2,672.83

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Solution

The fourth proportional to 10,570.30, 15,855.44 and 2,672.83 is: 4,009.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,570.30 : 15,855.44 = 2,672.83 : x
  2. Step 2: Convert to fraction form
    10,570.30/15,855.44 = 2,672.83/x
  3. Step 3: Cross multiply
    10,570.30x = 15,855.44 × 2,672.83
  4. Step 4: Simplify right side
    10,570.30x = 42,378,895.70
  5. Step 5: Solve for x
    x = 42,378,895.70/10,570.30
  6. Step 6: Final answer
    x = 4,009.24

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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.