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Finding the Fourth Proportional to 10,709.76, 14,779.67 and 5,994.03

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Solution

The fourth proportional to 10,709.76, 14,779.67 and 5,994.03 is: 8,271.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,709.76 : 14,779.67 = 5,994.03 : x
  2. Step 2: Convert to fraction form
    10,709.76/14,779.67 = 5,994.03/x
  3. Step 3: Cross multiply
    10,709.76x = 14,779.67 × 5,994.03
  4. Step 4: Simplify right side
    10,709.76x = 88,589,755.40
  5. Step 5: Solve for x
    x = 88,589,755.40/10,709.76
  6. Step 6: Final answer
    x = 8,271.87

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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.