Home / 11,605.44-17,408.64-4,678.08

Finding the Fourth Proportional to 11,605.44, 17,408.64 and 4,678.08

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Solution

The fourth proportional to 11,605.44, 17,408.64 and 4,678.08 is: 7,017.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,605.44 : 17,408.64 = 4,678.08 : x
  2. Step 2: Convert to fraction form
    11,605.44/17,408.64 = 4,678.08/x
  3. Step 3: Cross multiply
    11,605.44x = 17,408.64 × 4,678.08
  4. Step 4: Simplify right side
    11,605.44x = 81,439,010.61
  5. Step 5: Solve for x
    x = 81,439,010.61/11,605.44
  6. Step 6: Final answer
    x = 7,017.31

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1.5x scale

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.