Home / 10,905.86-16,350.96-3,506.06

Finding the Fourth Proportional to 10,905.86, 16,350.96 and 3,506.06

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Solution

The fourth proportional to 10,905.86, 16,350.96 and 3,506.06 is: 5,256.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905.86 : 16,350.96 = 3,506.06 : x
  2. Step 2: Convert to fraction form
    10,905.86/16,350.96 = 3,506.06/x
  3. Step 3: Cross multiply
    10,905.86x = 16,350.96 × 3,506.06
  4. Step 4: Simplify right side
    10,905.86x = 57,327,446.82
  5. Step 5: Solve for x
    x = 57,327,446.82/10,905.86
  6. Step 6: Final answer
    x = 5,256.57

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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.