Home / 10,882.58-15,012.69-6,683.54

Finding the Fourth Proportional to 10,882.58, 15,012.69 and 6,683.54

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Solution

The fourth proportional to 10,882.58, 15,012.69 and 6,683.54 is: 9,220.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,882.58 : 15,012.69 = 6,683.54 : x
  2. Step 2: Convert to fraction form
    10,882.58/15,012.69 = 6,683.54/x
  3. Step 3: Cross multiply
    10,882.58x = 15,012.69 × 6,683.54
  4. Step 4: Simplify right side
    10,882.58x = 100,337,914.12
  5. Step 5: Solve for x
    x = 100,337,914.12/10,882.58
  6. Step 6: Final answer
    x = 9,220.05

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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.