Home / 12,435.09-18,649.16-4,935.27

Finding the Fourth Proportional to 12,435.09, 18,649.16 and 4,935.27

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Solution

The fourth proportional to 12,435.09, 18,649.16 and 4,935.27 is: 7,401.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,435.09 : 18,649.16 = 4,935.27 : x
  2. Step 2: Convert to fraction form
    12,435.09/18,649.16 = 4,935.27/x
  3. Step 3: Cross multiply
    12,435.09x = 18,649.16 × 4,935.27
  4. Step 4: Simplify right side
    12,435.09x = 92,038,615.20
  5. Step 5: Solve for x
    x = 92,038,615.20/12,435.09
  6. Step 6: Final answer
    x = 7,401.52

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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.