Home / 11,101.24-15,322.26-7,751.08

Finding the Fourth Proportional to 11,101.24, 15,322.26 and 7,751.08

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Solution

The fourth proportional to 11,101.24, 15,322.26 and 7,751.08 is: 10,698.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.24 : 15,322.26 = 7,751.08 : x
  2. Step 2: Convert to fraction form
    11,101.24/15,322.26 = 7,751.08/x
  3. Step 3: Cross multiply
    11,101.24x = 15,322.26 × 7,751.08
  4. Step 4: Simplify right side
    11,101.24x = 118,764,063.04
  5. Step 5: Solve for x
    x = 118,764,063.04/11,101.24
  6. Step 6: Final answer
    x = 10,698.27

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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.