Home / 8,975.67-12,386.01-5,991.09

Finding the Fourth Proportional to 8,975.67, 12,386.01 and 5,991.09

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Solution

The fourth proportional to 8,975.67, 12,386.01 and 5,991.09 is: 8,267.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.67 : 12,386.01 = 5,991.09 : x
  2. Step 2: Convert to fraction form
    8,975.67/12,386.01 = 5,991.09/x
  3. Step 3: Cross multiply
    8,975.67x = 12,386.01 × 5,991.09
  4. Step 4: Simplify right side
    8,975.67x = 74,205,700.65
  5. Step 5: Solve for x
    x = 74,205,700.65/8,975.67
  6. Step 6: Final answer
    x = 8,267.43

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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.