Home / 11,017.20-16,525.80-4,090.32

Finding the Fourth Proportional to 11,017.20, 16,525.80 and 4,090.32

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Solution

The fourth proportional to 11,017.20, 16,525.80 and 4,090.32 is: 6,135.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,017.20 : 16,525.80 = 4,090.32 : x
  2. Step 2: Convert to fraction form
    11,017.20/16,525.80 = 4,090.32/x
  3. Step 3: Cross multiply
    11,017.20x = 16,525.80 × 4,090.32
  4. Step 4: Simplify right side
    11,017.20x = 67,595,810.26
  5. Step 5: Solve for x
    x = 67,595,810.26/11,017.20
  6. Step 6: Final answer
    x = 6,135.48

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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.