Home / 9,983.60-13,777.36-5,507.64

Finding the Fourth Proportional to 9,983.60, 13,777.36 and 5,507.64

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Solution

The fourth proportional to 9,983.60, 13,777.36 and 5,507.64 is: 7,600.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,983.60 : 13,777.36 = 5,507.64 : x
  2. Step 2: Convert to fraction form
    9,983.60/13,777.36 = 5,507.64/x
  3. Step 3: Cross multiply
    9,983.60x = 13,777.36 × 5,507.64
  4. Step 4: Simplify right side
    9,983.60x = 75,880,739.03
  5. Step 5: Solve for x
    x = 75,880,739.03/9,983.60
  6. Step 6: Final answer
    x = 7,600.54

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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.