Home / 11,271.40-16,897.94-4,702.48

Finding the Fourth Proportional to 11,271.40, 16,897.94 and 4,702.48

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Solution

The fourth proportional to 11,271.40, 16,897.94 and 4,702.48 is: 7,049.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,271.40 : 16,897.94 = 4,702.48 : x
  2. Step 2: Convert to fraction form
    11,271.40/16,897.94 = 4,702.48/x
  3. Step 3: Cross multiply
    11,271.40x = 16,897.94 × 4,702.48
  4. Step 4: Simplify right side
    11,271.40x = 79,462,224.89
  5. Step 5: Solve for x
    x = 79,462,224.89/11,271.40
  6. Step 6: Final answer
    x = 7,049.90

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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.