Home / 10,572.60-15,855.74-3,175.08

Finding the Fourth Proportional to 10,572.60, 15,855.74 and 3,175.08

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Solution

The fourth proportional to 10,572.60, 15,855.74 and 3,175.08 is: 4,761.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572.60 : 15,855.74 = 3,175.08 : x
  2. Step 2: Convert to fraction form
    10,572.60/15,855.74 = 3,175.08/x
  3. Step 3: Cross multiply
    10,572.60x = 15,855.74 × 3,175.08
  4. Step 4: Simplify right side
    10,572.60x = 50,343,242.96
  5. Step 5: Solve for x
    x = 50,343,242.96/10,572.60
  6. Step 6: Final answer
    x = 4,761.67

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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.