Home / 9,883.37-13,639.40-5,635.06

Finding the Fourth Proportional to 9,883.37, 13,639.40 and 5,635.06

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Solution

The fourth proportional to 9,883.37, 13,639.40 and 5,635.06 is: 7,776.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,883.37 : 13,639.40 = 5,635.06 : x
  2. Step 2: Convert to fraction form
    9,883.37/13,639.40 = 5,635.06/x
  3. Step 3: Cross multiply
    9,883.37x = 13,639.40 × 5,635.06
  4. Step 4: Simplify right side
    9,883.37x = 76,858,837.36
  5. Step 5: Solve for x
    x = 76,858,837.36/9,883.37
  6. Step 6: Final answer
    x = 7,776.58

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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.