Home / 11,140.60-16,702.80-4,563.40

Finding the Fourth Proportional to 11,140.60, 16,702.80 and 4,563.40

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Solution

The fourth proportional to 11,140.60, 16,702.80 and 4,563.40 is: 6,841.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.60 : 16,702.80 = 4,563.40 : x
  2. Step 2: Convert to fraction form
    11,140.60/16,702.80 = 4,563.40/x
  3. Step 3: Cross multiply
    11,140.60x = 16,702.80 × 4,563.40
  4. Step 4: Simplify right side
    11,140.60x = 76,221,557.52
  5. Step 5: Solve for x
    x = 76,221,557.52/11,140.60
  6. Step 6: Final answer
    x = 6,841.78

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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.