Home / 8,981.34-13,472.93-3,439.32

Finding the Fourth Proportional to 8,981.34, 13,472.93 and 3,439.32

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Solution

The fourth proportional to 8,981.34, 13,472.93 and 3,439.32 is: 5,159.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981.34 : 13,472.93 = 3,439.32 : x
  2. Step 2: Convert to fraction form
    8,981.34/13,472.93 = 3,439.32/x
  3. Step 3: Cross multiply
    8,981.34x = 13,472.93 × 3,439.32
  4. Step 4: Simplify right side
    8,981.34x = 46,337,633.05
  5. Step 5: Solve for x
    x = 46,337,633.05/8,981.34
  6. Step 6: Final answer
    x = 5,159.33

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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.