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Finding the Fourth Proportional to 10,800.56, 14,903.88 and 6,086

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Solution

The fourth proportional to 10,800.56, 14,903.88 and 6,086 is: 8,398.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,800.56 : 14,903.88 = 6,086 : x
  2. Step 2: Convert to fraction form
    10,800.56/14,903.88 = 6,086/x
  3. Step 3: Cross multiply
    10,800.56x = 14,903.88 × 6,086
  4. Step 4: Simplify right side
    10,800.56x = 90,705,013.68
  5. Step 5: Solve for x
    x = 90,705,013.68/10,800.56
  6. Step 6: Final answer
    x = 8,398.18

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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.