Home / 11,013.23-16,503.78-5,091.93

Finding the Fourth Proportional to 11,013.23, 16,503.78 and 5,091.93

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Solution

The fourth proportional to 11,013.23, 16,503.78 and 5,091.93 is: 7,630.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.23 : 16,503.78 = 5,091.93 : x
  2. Step 2: Convert to fraction form
    11,013.23/16,503.78 = 5,091.93/x
  3. Step 3: Cross multiply
    11,013.23x = 16,503.78 × 5,091.93
  4. Step 4: Simplify right side
    11,013.23x = 84,036,092.50
  5. Step 5: Solve for x
    x = 84,036,092.50/11,013.23
  6. Step 6: Final answer
    x = 7,630.47

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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.