Home / 9,983.66-13,777.22-5,507.33

Finding the Fourth Proportional to 9,983.66, 13,777.22 and 5,507.33

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Solution

The fourth proportional to 9,983.66, 13,777.22 and 5,507.33 is: 7,599.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,983.66 : 13,777.22 = 5,507.33 : x
  2. Step 2: Convert to fraction form
    9,983.66/13,777.22 = 5,507.33/x
  3. Step 3: Cross multiply
    9,983.66x = 13,777.22 × 5,507.33
  4. Step 4: Simplify right side
    9,983.66x = 75,875,600.60
  5. Step 5: Solve for x
    x = 75,875,600.60/9,983.66
  6. Step 6: Final answer
    x = 7,599.98

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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.