Home / 10,973.88-16,428.02-7,467.39

Finding the Fourth Proportional to 10,973.88, 16,428.02 and 7,467.39

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Solution

The fourth proportional to 10,973.88, 16,428.02 and 7,467.39 is: 11,178.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,973.88 : 16,428.02 = 7,467.39 : x
  2. Step 2: Convert to fraction form
    10,973.88/16,428.02 = 7,467.39/x
  3. Step 3: Cross multiply
    10,973.88x = 16,428.02 × 7,467.39
  4. Step 4: Simplify right side
    10,973.88x = 122,674,394.93
  5. Step 5: Solve for x
    x = 122,674,394.93/10,973.88
  6. Step 6: Final answer
    x = 11,178.76

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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.