Home / 11,153.04-16,730.19-4,915.98

Finding the Fourth Proportional to 11,153.04, 16,730.19 and 4,915.98

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Solution

The fourth proportional to 11,153.04, 16,730.19 and 4,915.98 is: 7,374.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.04 : 16,730.19 = 4,915.98 : x
  2. Step 2: Convert to fraction form
    11,153.04/16,730.19 = 4,915.98/x
  3. Step 3: Cross multiply
    11,153.04x = 16,730.19 × 4,915.98
  4. Step 4: Simplify right side
    11,153.04x = 82,245,279.44
  5. Step 5: Solve for x
    x = 82,245,279.44/11,153.04
  6. Step 6: Final answer
    x = 7,374.25

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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.