Home / 10,827.08-16,238.99-3,430.53

Finding the Fourth Proportional to 10,827.08, 16,238.99 and 3,430.53

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Solution

The fourth proportional to 10,827.08, 16,238.99 and 3,430.53 is: 5,145.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,827.08 : 16,238.99 = 3,430.53 : x
  2. Step 2: Convert to fraction form
    10,827.08/16,238.99 = 3,430.53/x
  3. Step 3: Cross multiply
    10,827.08x = 16,238.99 × 3,430.53
  4. Step 4: Simplify right side
    10,827.08x = 55,708,325.21
  5. Step 5: Solve for x
    x = 55,708,325.21/10,827.08
  6. Step 6: Final answer
    x = 5,145.28

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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.