Home / 11,063.93-15,271.43-7,236.12

Finding the Fourth Proportional to 11,063.93, 15,271.43 and 7,236.12

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Solution

The fourth proportional to 11,063.93, 15,271.43 and 7,236.12 is: 9,987.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,063.93 : 15,271.43 = 7,236.12 : x
  2. Step 2: Convert to fraction form
    11,063.93/15,271.43 = 7,236.12/x
  3. Step 3: Cross multiply
    11,063.93x = 15,271.43 × 7,236.12
  4. Step 4: Simplify right side
    11,063.93x = 110,505,863.87
  5. Step 5: Solve for x
    x = 110,505,863.87/11,063.93
  6. Step 6: Final answer
    x = 9,987.94

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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.