Home / 10,943.73-16,415.47-7,425.03

Finding the Fourth Proportional to 10,943.73, 16,415.47 and 7,425.03

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Solution

The fourth proportional to 10,943.73, 16,415.47 and 7,425.03 is: 11,137.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,943.73 : 16,415.47 = 7,425.03 : x
  2. Step 2: Convert to fraction form
    10,943.73/16,415.47 = 7,425.03/x
  3. Step 3: Cross multiply
    10,943.73x = 16,415.47 × 7,425.03
  4. Step 4: Simplify right side
    10,943.73x = 121,885,357.21
  5. Step 5: Solve for x
    x = 121,885,357.21/10,943.73
  6. Step 6: Final answer
    x = 11,137.46

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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.