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Finding the Fourth Proportional to 10,430.36, 14,394 and 5,954.70

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Solution

The fourth proportional to 10,430.36, 14,394 and 5,954.70 is: 8,217.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.36 : 14,394 = 5,954.70 : x
  2. Step 2: Convert to fraction form
    10,430.36/14,394 = 5,954.70/x
  3. Step 3: Cross multiply
    10,430.36x = 14,394 × 5,954.70
  4. Step 4: Simplify right side
    10,430.36x = 85,711,951.80
  5. Step 5: Solve for x
    x = 85,711,951.80/10,430.36
  6. Step 6: Final answer
    x = 8,217.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.