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Finding the Fourth Proportional to 9,817.16, 14,715.06 and 4,890.44

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Solution

The fourth proportional to 9,817.16, 14,715.06 and 4,890.44 is: 7,330.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,817.16 : 14,715.06 = 4,890.44 : x
  2. Step 2: Convert to fraction form
    9,817.16/14,715.06 = 4,890.44/x
  3. Step 3: Cross multiply
    9,817.16x = 14,715.06 × 4,890.44
  4. Step 4: Simplify right side
    9,817.16x = 71,963,118.03
  5. Step 5: Solve for x
    x = 71,963,118.03/9,817.16
  6. Step 6: Final answer
    x = 7,330.34

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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.