Home / 7,329.87-10,119.56-4,816.38

Finding the Fourth Proportional to 7,329.87, 10,119.56 and 4,816.38

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Solution

The fourth proportional to 7,329.87, 10,119.56 and 4,816.38 is: 6,649.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.87 : 10,119.56 = 4,816.38 : x
  2. Step 2: Convert to fraction form
    7,329.87/10,119.56 = 4,816.38/x
  3. Step 3: Cross multiply
    7,329.87x = 10,119.56 × 4,816.38
  4. Step 4: Simplify right side
    7,329.87x = 48,739,622.31
  5. Step 5: Solve for x
    x = 48,739,622.31/7,329.87
  6. Step 6: Final answer
    x = 6,649.45

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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.