Home / 11,515.15-17,270.07-4,495.33

Finding the Fourth Proportional to 11,515.15, 17,270.07 and 4,495.33

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Solution

The fourth proportional to 11,515.15, 17,270.07 and 4,495.33 is: 6,741.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,515.15 : 17,270.07 = 4,495.33 : x
  2. Step 2: Convert to fraction form
    11,515.15/17,270.07 = 4,495.33/x
  3. Step 3: Cross multiply
    11,515.15x = 17,270.07 × 4,495.33
  4. Step 4: Simplify right side
    11,515.15x = 77,634,663.77
  5. Step 5: Solve for x
    x = 77,634,663.77/11,515.15
  6. Step 6: Final answer
    x = 6,741.96

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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.