Home / 11,009.12-15,190.43-6,534.28

Finding the Fourth Proportional to 11,009.12, 15,190.43 and 6,534.28

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Solution

The fourth proportional to 11,009.12, 15,190.43 and 6,534.28 is: 9,016.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009.12 : 15,190.43 = 6,534.28 : x
  2. Step 2: Convert to fraction form
    11,009.12/15,190.43 = 6,534.28/x
  3. Step 3: Cross multiply
    11,009.12x = 15,190.43 × 6,534.28
  4. Step 4: Simplify right side
    11,009.12x = 99,258,452.29
  5. Step 5: Solve for x
    x = 99,258,452.29/11,009.12
  6. Step 6: Final answer
    x = 9,016.02

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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.