Home / 8,904.96-13,356.96-3,971.52

Finding the Fourth Proportional to 8,904.96, 13,356.96 and 3,971.52

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Solution

The fourth proportional to 8,904.96, 13,356.96 and 3,971.52 is: 5,957.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.96 : 13,356.96 = 3,971.52 : x
  2. Step 2: Convert to fraction form
    8,904.96/13,356.96 = 3,971.52/x
  3. Step 3: Cross multiply
    8,904.96x = 13,356.96 × 3,971.52
  4. Step 4: Simplify right side
    8,904.96x = 53,047,433.78
  5. Step 5: Solve for x
    x = 53,047,433.78/8,904.96
  6. Step 6: Final answer
    x = 5,957.07

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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.