Home / 8,185.77-11,283.12-5,528.52

Finding the Fourth Proportional to 8,185.77, 11,283.12 and 5,528.52

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Solution

The fourth proportional to 8,185.77, 11,283.12 and 5,528.52 is: 7,620.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185.77 : 11,283.12 = 5,528.52 : x
  2. Step 2: Convert to fraction form
    8,185.77/11,283.12 = 5,528.52/x
  3. Step 3: Cross multiply
    8,185.77x = 11,283.12 × 5,528.52
  4. Step 4: Simplify right side
    8,185.77x = 62,378,954.58
  5. Step 5: Solve for x
    x = 62,378,954.58/8,185.77
  6. Step 6: Final answer
    x = 7,620.41

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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.