Home / 11,739.96-17,603.55-5,407.98

Finding the Fourth Proportional to 11,739.96, 17,603.55 and 5,407.98

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Solution

The fourth proportional to 11,739.96, 17,603.55 and 5,407.98 is: 8,109.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739.96 : 17,603.55 = 5,407.98 : x
  2. Step 2: Convert to fraction form
    11,739.96/17,603.55 = 5,407.98/x
  3. Step 3: Cross multiply
    11,739.96x = 17,603.55 × 5,407.98
  4. Step 4: Simplify right side
    11,739.96x = 95,199,646.33
  5. Step 5: Solve for x
    x = 95,199,646.33/11,739.96
  6. Step 6: Final answer
    x = 8,109.03

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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.