Home / 8,027.52-11,080.54-5,638.07

Finding the Fourth Proportional to 8,027.52, 11,080.54 and 5,638.07

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Solution

The fourth proportional to 8,027.52, 11,080.54 and 5,638.07 is: 7,782.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,027.52 : 11,080.54 = 5,638.07 : x
  2. Step 2: Convert to fraction form
    8,027.52/11,080.54 = 5,638.07/x
  3. Step 3: Cross multiply
    8,027.52x = 11,080.54 × 5,638.07
  4. Step 4: Simplify right side
    8,027.52x = 62,472,804.76
  5. Step 5: Solve for x
    x = 62,472,804.76/8,027.52
  6. Step 6: Final answer
    x = 7,782.33

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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.