Home / 7,107.44-9,809.52-4,457.12

Finding the Fourth Proportional to 7,107.44, 9,809.52 and 4,457.12

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Solution

The fourth proportional to 7,107.44, 9,809.52 and 4,457.12 is: 6,151.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107.44 : 9,809.52 = 4,457.12 : x
  2. Step 2: Convert to fraction form
    7,107.44/9,809.52 = 4,457.12/x
  3. Step 3: Cross multiply
    7,107.44x = 9,809.52 × 4,457.12
  4. Step 4: Simplify right side
    7,107.44x = 43,722,207.78
  5. Step 5: Solve for x
    x = 43,722,207.78/7,107.44
  6. Step 6: Final answer
    x = 6,151.61

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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.