Home / 10,236.16-15,353.32-2,840.04

Finding the Fourth Proportional to 10,236.16, 15,353.32 and 2,840.04

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Solution

The fourth proportional to 10,236.16, 15,353.32 and 2,840.04 is: 4,259.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.16 : 15,353.32 = 2,840.04 : x
  2. Step 2: Convert to fraction form
    10,236.16/15,353.32 = 2,840.04/x
  3. Step 3: Cross multiply
    10,236.16x = 15,353.32 × 2,840.04
  4. Step 4: Simplify right side
    10,236.16x = 43,604,042.93
  5. Step 5: Solve for x
    x = 43,604,042.93/10,236.16
  6. Step 6: Final answer
    x = 4,259.80

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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.