Home / 7,080.36-9,771.68-4,096.16

Finding the Fourth Proportional to 7,080.36, 9,771.68 and 4,096.16

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Solution

The fourth proportional to 7,080.36, 9,771.68 and 4,096.16 is: 5,653.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.36 : 9,771.68 = 4,096.16 : x
  2. Step 2: Convert to fraction form
    7,080.36/9,771.68 = 4,096.16/x
  3. Step 3: Cross multiply
    7,080.36x = 9,771.68 × 4,096.16
  4. Step 4: Simplify right side
    7,080.36x = 40,026,364.75
  5. Step 5: Solve for x
    x = 40,026,364.75/7,080.36
  6. Step 6: Final answer
    x = 5,653.15

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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.