Home / 11,464.42-17,174.48-8,457.16

Finding the Fourth Proportional to 11,464.42, 17,174.48 and 8,457.16

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Solution

The fourth proportional to 11,464.42, 17,174.48 and 8,457.16 is: 12,669.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,464.42 : 17,174.48 = 8,457.16 : x
  2. Step 2: Convert to fraction form
    11,464.42/17,174.48 = 8,457.16/x
  3. Step 3: Cross multiply
    11,464.42x = 17,174.48 × 8,457.16
  4. Step 4: Simplify right side
    11,464.42x = 145,247,239.40
  5. Step 5: Solve for x
    x = 145,247,239.40/11,464.42
  6. Step 6: Final answer
    x = 12,669.40

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1.5x scale

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.