Home / 10,530.42-15,794.34-2,739.06

Finding the Fourth Proportional to 10,530.42, 15,794.34 and 2,739.06

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Solution

The fourth proportional to 10,530.42, 15,794.34 and 2,739.06 is: 4,108.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.42 : 15,794.34 = 2,739.06 : x
  2. Step 2: Convert to fraction form
    10,530.42/15,794.34 = 2,739.06/x
  3. Step 3: Cross multiply
    10,530.42x = 15,794.34 × 2,739.06
  4. Step 4: Simplify right side
    10,530.42x = 43,261,644.92
  5. Step 5: Solve for x
    x = 43,261,644.92/10,530.42
  6. Step 6: Final answer
    x = 4,108.25

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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.