Home / 8,933.90-13,340.70-7,293.65

Finding the Fourth Proportional to 8,933.90, 13,340.70 and 7,293.65

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Solution

The fourth proportional to 8,933.90, 13,340.70 and 7,293.65 is: 10,891.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,933.90 : 13,340.70 = 7,293.65 : x
  2. Step 2: Convert to fraction form
    8,933.90/13,340.70 = 7,293.65/x
  3. Step 3: Cross multiply
    8,933.90x = 13,340.70 × 7,293.65
  4. Step 4: Simplify right side
    8,933.90x = 97,302,329.85
  5. Step 5: Solve for x
    x = 97,302,329.85/8,933.90
  6. Step 6: Final answer
    x = 10,891.37

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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.