Home / 7,785.31-11,675.68-3,566.18

Finding the Fourth Proportional to 7,785.31, 11,675.68 and 3,566.18

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Solution

The fourth proportional to 7,785.31, 11,675.68 and 3,566.18 is: 5,348.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785.31 : 11,675.68 = 3,566.18 : x
  2. Step 2: Convert to fraction form
    7,785.31/11,675.68 = 3,566.18/x
  3. Step 3: Cross multiply
    7,785.31x = 11,675.68 × 3,566.18
  4. Step 4: Simplify right side
    7,785.31x = 41,637,576.50
  5. Step 5: Solve for x
    x = 41,637,576.50/7,785.31
  6. Step 6: Final answer
    x = 5,348.22

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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.