Home / 13,071.06-19,606.23-5,279.58

Finding the Fourth Proportional to 13,071.06, 19,606.23 and 5,279.58

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Solution

The fourth proportional to 13,071.06, 19,606.23 and 5,279.58 is: 7,919.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,071.06 : 19,606.23 = 5,279.58 : x
  2. Step 2: Convert to fraction form
    13,071.06/19,606.23 = 5,279.58/x
  3. Step 3: Cross multiply
    13,071.06x = 19,606.23 × 5,279.58
  4. Step 4: Simplify right side
    13,071.06x = 103,512,659.78
  5. Step 5: Solve for x
    x = 103,512,659.78/13,071.06
  6. Step 6: Final answer
    x = 7,919.22

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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.