Home / 8,457.73-11,668.83-4,918.03

Finding the Fourth Proportional to 8,457.73, 11,668.83 and 4,918.03

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Solution

The fourth proportional to 8,457.73, 11,668.83 and 4,918.03 is: 6,785.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.73 : 11,668.83 = 4,918.03 : x
  2. Step 2: Convert to fraction form
    8,457.73/11,668.83 = 4,918.03/x
  3. Step 3: Cross multiply
    8,457.73x = 11,668.83 × 4,918.03
  4. Step 4: Simplify right side
    8,457.73x = 57,387,660.59
  5. Step 5: Solve for x
    x = 57,387,660.59/8,457.73
  6. Step 6: Final answer
    x = 6,785.23

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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.