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Finding the Fourth Proportional to 10,830.56, 14,946.05 and 6,353.45

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Solution

The fourth proportional to 10,830.56, 14,946.05 and 6,353.45 is: 8,767.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,830.56 : 14,946.05 = 6,353.45 : x
  2. Step 2: Convert to fraction form
    10,830.56/14,946.05 = 6,353.45/x
  3. Step 3: Cross multiply
    10,830.56x = 14,946.05 × 6,353.45
  4. Step 4: Simplify right side
    10,830.56x = 94,958,874.88
  5. Step 5: Solve for x
    x = 94,958,874.88/10,830.56
  6. Step 6: Final answer
    x = 8,767.68

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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.