Home / 11,224.90-15,490.61-6,189.27

Finding the Fourth Proportional to 11,224.90, 15,490.61 and 6,189.27

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Solution

The fourth proportional to 11,224.90, 15,490.61 and 6,189.27 is: 8,541.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.90 : 15,490.61 = 6,189.27 : x
  2. Step 2: Convert to fraction form
    11,224.90/15,490.61 = 6,189.27/x
  3. Step 3: Cross multiply
    11,224.90x = 15,490.61 × 6,189.27
  4. Step 4: Simplify right side
    11,224.90x = 95,875,567.75
  5. Step 5: Solve for x
    x = 95,875,567.75/11,224.90
  6. Step 6: Final answer
    x = 8,541.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.