Home / 8,518.96-11,756.04-4,981.48

Finding the Fourth Proportional to 8,518.96, 11,756.04 and 4,981.48

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Solution

The fourth proportional to 8,518.96, 11,756.04 and 4,981.48 is: 6,874.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.96 : 11,756.04 = 4,981.48 : x
  2. Step 2: Convert to fraction form
    8,518.96/11,756.04 = 4,981.48/x
  3. Step 3: Cross multiply
    8,518.96x = 11,756.04 × 4,981.48
  4. Step 4: Simplify right side
    8,518.96x = 58,562,478.14
  5. Step 5: Solve for x
    x = 58,562,478.14/8,518.96
  6. Step 6: Final answer
    x = 6,874.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.