Home / 8,935.24-13,383.96-5,646.64

Finding the Fourth Proportional to 8,935.24, 13,383.96 and 5,646.64

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Solution

The fourth proportional to 8,935.24, 13,383.96 and 5,646.64 is: 8,458.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.24 : 13,383.96 = 5,646.64 : x
  2. Step 2: Convert to fraction form
    8,935.24/13,383.96 = 5,646.64/x
  3. Step 3: Cross multiply
    8,935.24x = 13,383.96 × 5,646.64
  4. Step 4: Simplify right side
    8,935.24x = 75,574,403.89
  5. Step 5: Solve for x
    x = 75,574,403.89/8,935.24
  6. Step 6: Final answer
    x = 8,458.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.