Home / 10,367.10-15,583.05-10,172.70

Finding the Fourth Proportional to 10,367.10, 15,583.05 and 10,172.70

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Solution

The fourth proportional to 10,367.10, 15,583.05 and 10,172.70 is: 15,290.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.10 : 15,583.05 = 10,172.70 : x
  2. Step 2: Convert to fraction form
    10,367.10/15,583.05 = 10,172.70/x
  3. Step 3: Cross multiply
    10,367.10x = 15,583.05 × 10,172.70
  4. Step 4: Simplify right side
    10,367.10x = 158,521,692.74
  5. Step 5: Solve for x
    x = 158,521,692.74/10,367.10
  6. Step 6: Final answer
    x = 15,290.84

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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.