Home / 8,329.87-11,483.36-5,673.88

Finding the Fourth Proportional to 8,329.87, 11,483.36 and 5,673.88

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Solution

The fourth proportional to 8,329.87, 11,483.36 and 5,673.88 is: 7,821.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,329.87 : 11,483.36 = 5,673.88 : x
  2. Step 2: Convert to fraction form
    8,329.87/11,483.36 = 5,673.88/x
  3. Step 3: Cross multiply
    8,329.87x = 11,483.36 × 5,673.88
  4. Step 4: Simplify right side
    8,329.87x = 65,155,206.64
  5. Step 5: Solve for x
    x = 65,155,206.64/8,329.87
  6. Step 6: Final answer
    x = 7,821.88

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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.