Home / 7,336.70-11,005.16-1,790.15

Finding the Fourth Proportional to 7,336.70, 11,005.16 and 1,790.15

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Solution

The fourth proportional to 7,336.70, 11,005.16 and 1,790.15 is: 2,685.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,336.70 : 11,005.16 = 1,790.15 : x
  2. Step 2: Convert to fraction form
    7,336.70/11,005.16 = 1,790.15/x
  3. Step 3: Cross multiply
    7,336.70x = 11,005.16 × 1,790.15
  4. Step 4: Simplify right side
    7,336.70x = 19,700,890.14
  5. Step 5: Solve for x
    x = 19,700,890.14/7,336.70
  6. Step 6: Final answer
    x = 2,685.25

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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.