Home / 11,784.05-17,673.90-4,762.23

Finding the Fourth Proportional to 11,784.05, 17,673.90 and 4,762.23

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Solution

The fourth proportional to 11,784.05, 17,673.90 and 4,762.23 is: 7,142.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,784.05 : 17,673.90 = 4,762.23 : x
  2. Step 2: Convert to fraction form
    11,784.05/17,673.90 = 4,762.23/x
  3. Step 3: Cross multiply
    11,784.05x = 17,673.90 × 4,762.23
  4. Step 4: Simplify right side
    11,784.05x = 84,167,176.80
  5. Step 5: Solve for x
    x = 84,167,176.80/11,784.05
  6. Step 6: Final answer
    x = 7,142.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.