Home / 8,213.04-11,331.23-4,673.75

Finding the Fourth Proportional to 8,213.04, 11,331.23 and 4,673.75

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Solution

The fourth proportional to 8,213.04, 11,331.23 and 4,673.75 is: 6,448.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213.04 : 11,331.23 = 4,673.75 : x
  2. Step 2: Convert to fraction form
    8,213.04/11,331.23 = 4,673.75/x
  3. Step 3: Cross multiply
    8,213.04x = 11,331.23 × 4,673.75
  4. Step 4: Simplify right side
    8,213.04x = 52,959,256.19
  5. Step 5: Solve for x
    x = 52,959,256.19/8,213.04
  6. Step 6: Final answer
    x = 6,448.19

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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.