Home / 10,603.90-15,907.68-3,583.96

Finding the Fourth Proportional to 10,603.90, 15,907.68 and 3,583.96

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Solution

The fourth proportional to 10,603.90, 15,907.68 and 3,583.96 is: 5,376.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,603.90 : 15,907.68 = 3,583.96 : x
  2. Step 2: Convert to fraction form
    10,603.90/15,907.68 = 3,583.96/x
  3. Step 3: Cross multiply
    10,603.90x = 15,907.68 × 3,583.96
  4. Step 4: Simplify right side
    10,603.90x = 57,012,488.81
  5. Step 5: Solve for x
    x = 57,012,488.81/10,603.90
  6. Step 6: Final answer
    x = 5,376.56

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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.