Home / 11,567.21-17,347.77-4,170.29

Finding the Fourth Proportional to 11,567.21, 17,347.77 and 4,170.29

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Solution

The fourth proportional to 11,567.21, 17,347.77 and 4,170.29 is: 6,254.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,567.21 : 17,347.77 = 4,170.29 : x
  2. Step 2: Convert to fraction form
    11,567.21/17,347.77 = 4,170.29/x
  3. Step 3: Cross multiply
    11,567.21x = 17,347.77 × 4,170.29
  4. Step 4: Simplify right side
    11,567.21x = 72,345,145.01
  5. Step 5: Solve for x
    x = 72,345,145.01/11,567.21
  6. Step 6: Final answer
    x = 6,254.33

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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.