Home / 10,007.20-14,998.02-4,742.20

Finding the Fourth Proportional to 10,007.20, 14,998.02 and 4,742.20

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Solution

The fourth proportional to 10,007.20, 14,998.02 and 4,742.20 is: 7,107.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,007.20 : 14,998.02 = 4,742.20 : x
  2. Step 2: Convert to fraction form
    10,007.20/14,998.02 = 4,742.20/x
  3. Step 3: Cross multiply
    10,007.20x = 14,998.02 × 4,742.20
  4. Step 4: Simplify right side
    10,007.20x = 71,123,610.44
  5. Step 5: Solve for x
    x = 71,123,610.44/10,007.20
  6. Step 6: Final answer
    x = 7,107.24

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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.