Home / 8,962.96-13,416.36-5,664.64

Finding the Fourth Proportional to 8,962.96, 13,416.36 and 5,664.64

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Solution

The fourth proportional to 8,962.96, 13,416.36 and 5,664.64 is: 8,479.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,962.96 : 13,416.36 = 5,664.64 : x
  2. Step 2: Convert to fraction form
    8,962.96/13,416.36 = 5,664.64/x
  3. Step 3: Cross multiply
    8,962.96x = 13,416.36 × 5,664.64
  4. Step 4: Simplify right side
    8,962.96x = 75,998,849.51
  5. Step 5: Solve for x
    x = 75,998,849.51/8,962.96
  6. Step 6: Final answer
    x = 8,479.21

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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.