Home / 11,090.61-16,631.05-4,160.25

Finding the Fourth Proportional to 11,090.61, 16,631.05 and 4,160.25

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Solution

The fourth proportional to 11,090.61, 16,631.05 and 4,160.25 is: 6,238.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.61 : 16,631.05 = 4,160.25 : x
  2. Step 2: Convert to fraction form
    11,090.61/16,631.05 = 4,160.25/x
  3. Step 3: Cross multiply
    11,090.61x = 16,631.05 × 4,160.25
  4. Step 4: Simplify right side
    11,090.61x = 69,189,325.76
  5. Step 5: Solve for x
    x = 69,189,325.76/11,090.61
  6. Step 6: Final answer
    x = 6,238.55

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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.