Home / 10,121.58-15,202.38-6,127.04

Finding the Fourth Proportional to 10,121.58, 15,202.38 and 6,127.04

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Solution

The fourth proportional to 10,121.58, 15,202.38 and 6,127.04 is: 9,202.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121.58 : 15,202.38 = 6,127.04 : x
  2. Step 2: Convert to fraction form
    10,121.58/15,202.38 = 6,127.04/x
  3. Step 3: Cross multiply
    10,121.58x = 15,202.38 × 6,127.04
  4. Step 4: Simplify right side
    10,121.58x = 93,145,590.36
  5. Step 5: Solve for x
    x = 93,145,590.36/10,121.58
  6. Step 6: Final answer
    x = 9,202.67

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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.