Home / 8,485.09-11,709.43-4,708.24

Finding the Fourth Proportional to 8,485.09, 11,709.43 and 4,708.24

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Solution

The fourth proportional to 8,485.09, 11,709.43 and 4,708.24 is: 6,497.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.09 : 11,709.43 = 4,708.24 : x
  2. Step 2: Convert to fraction form
    8,485.09/11,709.43 = 4,708.24/x
  3. Step 3: Cross multiply
    8,485.09x = 11,709.43 × 4,708.24
  4. Step 4: Simplify right side
    8,485.09x = 55,130,765.66
  5. Step 5: Solve for x
    x = 55,130,765.66/8,485.09
  6. Step 6: Final answer
    x = 6,497.37

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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.