Home / 8,017.36-11,071.56-7,581.04

Finding the Fourth Proportional to 8,017.36, 11,071.56 and 7,581.04

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Solution

The fourth proportional to 8,017.36, 11,071.56 and 7,581.04 is: 10,469.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,017.36 : 11,071.56 = 7,581.04 : x
  2. Step 2: Convert to fraction form
    8,017.36/11,071.56 = 7,581.04/x
  3. Step 3: Cross multiply
    8,017.36x = 11,071.56 × 7,581.04
  4. Step 4: Simplify right side
    8,017.36x = 83,933,939.22
  5. Step 5: Solve for x
    x = 83,933,939.22/8,017.36
  6. Step 6: Final answer
    x = 10,469.02

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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.