Home / 10,603.88-15,905.80-3,673.52

Finding the Fourth Proportional to 10,603.88, 15,905.80 and 3,673.52

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Solution

The fourth proportional to 10,603.88, 15,905.80 and 3,673.52 is: 5,510.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,603.88 : 15,905.80 = 3,673.52 : x
  2. Step 2: Convert to fraction form
    10,603.88/15,905.80 = 3,673.52/x
  3. Step 3: Cross multiply
    10,603.88x = 15,905.80 × 3,673.52
  4. Step 4: Simplify right side
    10,603.88x = 58,430,274.42
  5. Step 5: Solve for x
    x = 58,430,274.42/10,603.88
  6. Step 6: Final answer
    x = 5,510.27

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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.