Home / 9,629.37-13,287.06-5,436.81

Finding the Fourth Proportional to 9,629.37, 13,287.06 and 5,436.81

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Solution

The fourth proportional to 9,629.37, 13,287.06 and 5,436.81 is: 7,501.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,629.37 : 13,287.06 = 5,436.81 : x
  2. Step 2: Convert to fraction form
    9,629.37/13,287.06 = 5,436.81/x
  3. Step 3: Cross multiply
    9,629.37x = 13,287.06 × 5,436.81
  4. Step 4: Simplify right side
    9,629.37x = 72,239,220.68
  5. Step 5: Solve for x
    x = 72,239,220.68/9,629.37
  6. Step 6: Final answer
    x = 7,501.97

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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.