Home / 7,379.66-10,184.09-4,192.45

Finding the Fourth Proportional to 7,379.66, 10,184.09 and 4,192.45

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Solution

The fourth proportional to 7,379.66, 10,184.09 and 4,192.45 is: 5,785.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.66 : 10,184.09 = 4,192.45 : x
  2. Step 2: Convert to fraction form
    7,379.66/10,184.09 = 4,192.45/x
  3. Step 3: Cross multiply
    7,379.66x = 10,184.09 × 4,192.45
  4. Step 4: Simplify right side
    7,379.66x = 42,696,288.12
  5. Step 5: Solve for x
    x = 42,696,288.12/7,379.66
  6. Step 6: Final answer
    x = 5,785.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.