Home / 11,224.88-15,490.28-6,189.16

Finding the Fourth Proportional to 11,224.88, 15,490.28 and 6,189.16

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Solution

The fourth proportional to 11,224.88, 15,490.28 and 6,189.16 is: 8,541.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.88 : 15,490.28 = 6,189.16 : x
  2. Step 2: Convert to fraction form
    11,224.88/15,490.28 = 6,189.16/x
  3. Step 3: Cross multiply
    11,224.88x = 15,490.28 × 6,189.16
  4. Step 4: Simplify right side
    11,224.88x = 95,871,821.36
  5. Step 5: Solve for x
    x = 95,871,821.36/11,224.88
  6. Step 6: Final answer
    x = 8,541.01

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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.