Home / 10,068.05-15,102.87-2,672.51

Finding the Fourth Proportional to 10,068.05, 15,102.87 and 2,672.51

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Solution

The fourth proportional to 10,068.05, 15,102.87 and 2,672.51 is: 4,008.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,068.05 : 15,102.87 = 2,672.51 : x
  2. Step 2: Convert to fraction form
    10,068.05/15,102.87 = 2,672.51/x
  3. Step 3: Cross multiply
    10,068.05x = 15,102.87 × 2,672.51
  4. Step 4: Simplify right side
    10,068.05x = 40,362,571.10
  5. Step 5: Solve for x
    x = 40,362,571.10/10,068.05
  6. Step 6: Final answer
    x = 4,008.98

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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.