Home / 11,971.60-17,958.64-4,582.28

Finding the Fourth Proportional to 11,971.60, 17,958.64 and 4,582.28

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Solution

The fourth proportional to 11,971.60, 17,958.64 and 4,582.28 is: 6,873.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971.60 : 17,958.64 = 4,582.28 : x
  2. Step 2: Convert to fraction form
    11,971.60/17,958.64 = 4,582.28/x
  3. Step 3: Cross multiply
    11,971.60x = 17,958.64 × 4,582.28
  4. Step 4: Simplify right side
    11,971.60x = 82,291,516.90
  5. Step 5: Solve for x
    x = 82,291,516.90/11,971.60
  6. Step 6: Final answer
    x = 6,873.89

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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.