Home / 10,699.05-16,047.24-4,120.53

Finding the Fourth Proportional to 10,699.05, 16,047.24 and 4,120.53

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Solution

The fourth proportional to 10,699.05, 16,047.24 and 4,120.53 is: 6,180.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,699.05 : 16,047.24 = 4,120.53 : x
  2. Step 2: Convert to fraction form
    10,699.05/16,047.24 = 4,120.53/x
  3. Step 3: Cross multiply
    10,699.05x = 16,047.24 × 4,120.53
  4. Step 4: Simplify right side
    10,699.05x = 66,123,133.84
  5. Step 5: Solve for x
    x = 66,123,133.84/10,699.05
  6. Step 6: Final answer
    x = 6,180.28

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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.