Home / 9,983.36-13,776.84-5,507.22

Finding the Fourth Proportional to 9,983.36, 13,776.84 and 5,507.22

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Solution

The fourth proportional to 9,983.36, 13,776.84 and 5,507.22 is: 7,599.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,983.36 : 13,776.84 = 5,507.22 : x
  2. Step 2: Convert to fraction form
    9,983.36/13,776.84 = 5,507.22/x
  3. Step 3: Cross multiply
    9,983.36x = 13,776.84 × 5,507.22
  4. Step 4: Simplify right side
    9,983.36x = 75,872,140.45
  5. Step 5: Solve for x
    x = 75,872,140.45/9,983.36
  6. Step 6: Final answer
    x = 7,599.86

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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.