Home / 9,558.16-13,190.63-5,309.54

Finding the Fourth Proportional to 9,558.16, 13,190.63 and 5,309.54

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Solution

The fourth proportional to 9,558.16, 13,190.63 and 5,309.54 is: 7,327.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,558.16 : 13,190.63 = 5,309.54 : x
  2. Step 2: Convert to fraction form
    9,558.16/13,190.63 = 5,309.54/x
  3. Step 3: Cross multiply
    9,558.16x = 13,190.63 × 5,309.54
  4. Step 4: Simplify right side
    9,558.16x = 70,036,176.43
  5. Step 5: Solve for x
    x = 70,036,176.43/9,558.16
  6. Step 6: Final answer
    x = 7,327.37

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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.