Home / 8,457.23-11,668.14-4,917.53

Finding the Fourth Proportional to 8,457.23, 11,668.14 and 4,917.53

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Solution

The fourth proportional to 8,457.23, 11,668.14 and 4,917.53 is: 6,784.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.23 : 11,668.14 = 4,917.53 : x
  2. Step 2: Convert to fraction form
    8,457.23/11,668.14 = 4,917.53/x
  3. Step 3: Cross multiply
    8,457.23x = 11,668.14 × 4,917.53
  4. Step 4: Simplify right side
    8,457.23x = 57,378,439.22
  5. Step 5: Solve for x
    x = 57,378,439.22/8,457.23
  6. Step 6: Final answer
    x = 6,784.54

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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.