Home / 11,037.12-15,231.84-7,308.48

Finding the Fourth Proportional to 11,037.12, 15,231.84 and 7,308.48

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Solution

The fourth proportional to 11,037.12, 15,231.84 and 7,308.48 is: 10,086.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,037.12 : 15,231.84 = 7,308.48 : x
  2. Step 2: Convert to fraction form
    11,037.12/15,231.84 = 7,308.48/x
  3. Step 3: Cross multiply
    11,037.12x = 15,231.84 × 7,308.48
  4. Step 4: Simplify right side
    11,037.12x = 111,321,598.00
  5. Step 5: Solve for x
    x = 111,321,598.00/11,037.12
  6. Step 6: Final answer
    x = 10,086.11

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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.