Home / 9,994.20-13,792.08-5,518.14

Finding the Fourth Proportional to 9,994.20, 13,792.08 and 5,518.14

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Solution

The fourth proportional to 9,994.20, 13,792.08 and 5,518.14 is: 7,615.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,994.20 : 13,792.08 = 5,518.14 : x
  2. Step 2: Convert to fraction form
    9,994.20/13,792.08 = 5,518.14/x
  3. Step 3: Cross multiply
    9,994.20x = 13,792.08 × 5,518.14
  4. Step 4: Simplify right side
    9,994.20x = 76,106,628.33
  5. Step 5: Solve for x
    x = 76,106,628.33/9,994.20
  6. Step 6: Final answer
    x = 7,615.08

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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.