Home / 11,602.72-17,403.26-4,205.80

Finding the Fourth Proportional to 11,602.72, 17,403.26 and 4,205.80

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Solution

The fourth proportional to 11,602.72, 17,403.26 and 4,205.80 is: 6,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,602.72 : 17,403.26 = 4,205.80 : x
  2. Step 2: Convert to fraction form
    11,602.72/17,403.26 = 4,205.80/x
  3. Step 3: Cross multiply
    11,602.72x = 17,403.26 × 4,205.80
  4. Step 4: Simplify right side
    11,602.72x = 73,194,543.89
  5. Step 5: Solve for x
    x = 73,194,543.89/11,602.72
  6. Step 6: Final answer
    x = 6,308.40

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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.