Home / 11,520.44-17,266.28-4,938.98

Finding the Fourth Proportional to 11,520.44, 17,266.28 and 4,938.98

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Solution

The fourth proportional to 11,520.44, 17,266.28 and 4,938.98 is: 7,402.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520.44 : 17,266.28 = 4,938.98 : x
  2. Step 2: Convert to fraction form
    11,520.44/17,266.28 = 4,938.98/x
  3. Step 3: Cross multiply
    11,520.44x = 17,266.28 × 4,938.98
  4. Step 4: Simplify right side
    11,520.44x = 85,277,830.07
  5. Step 5: Solve for x
    x = 85,277,830.07/11,520.44
  6. Step 6: Final answer
    x = 7,402.31

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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.