Home / 7,622.13-10,537.79-5,629.53

Finding the Fourth Proportional to 7,622.13, 10,537.79 and 5,629.53

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Solution

The fourth proportional to 7,622.13, 10,537.79 and 5,629.53 is: 7,782.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.13 : 10,537.79 = 5,629.53 : x
  2. Step 2: Convert to fraction form
    7,622.13/10,537.79 = 5,629.53/x
  3. Step 3: Cross multiply
    7,622.13x = 10,537.79 × 5,629.53
  4. Step 4: Simplify right side
    7,622.13x = 59,322,804.94
  5. Step 5: Solve for x
    x = 59,322,804.94/7,622.13
  6. Step 6: Final answer
    x = 7,782.97

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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.