Home / 8,740.10-13,114.71-3,473.99

Finding the Fourth Proportional to 8,740.10, 13,114.71 and 3,473.99

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Solution

The fourth proportional to 8,740.10, 13,114.71 and 3,473.99 is: 5,212.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.10 : 13,114.71 = 3,473.99 : x
  2. Step 2: Convert to fraction form
    8,740.10/13,114.71 = 3,473.99/x
  3. Step 3: Cross multiply
    8,740.10x = 13,114.71 × 3,473.99
  4. Step 4: Simplify right side
    8,740.10x = 45,560,355.00
  5. Step 5: Solve for x
    x = 45,560,355.00/8,740.10
  6. Step 6: Final answer
    x = 5,212.79

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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.