Home / 6,854.04-10,220.87-6,791.67

Finding the Fourth Proportional to 6,854.04, 10,220.87 and 6,791.67

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Solution

The fourth proportional to 6,854.04, 10,220.87 and 6,791.67 is: 10,127.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,854.04 : 10,220.87 = 6,791.67 : x
  2. Step 2: Convert to fraction form
    6,854.04/10,220.87 = 6,791.67/x
  3. Step 3: Cross multiply
    6,854.04x = 10,220.87 × 6,791.67
  4. Step 4: Simplify right side
    6,854.04x = 69,416,793.13
  5. Step 5: Solve for x
    x = 69,416,793.13/6,854.04
  6. Step 6: Final answer
    x = 10,127.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.