Home / 10,039.35-15,048.39-5,356.47

Finding the Fourth Proportional to 10,039.35, 15,048.39 and 5,356.47

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Solution

The fourth proportional to 10,039.35, 15,048.39 and 5,356.47 is: 8,029.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,039.35 : 15,048.39 = 5,356.47 : x
  2. Step 2: Convert to fraction form
    10,039.35/15,048.39 = 5,356.47/x
  3. Step 3: Cross multiply
    10,039.35x = 15,048.39 × 5,356.47
  4. Step 4: Simplify right side
    10,039.35x = 80,606,249.58
  5. Step 5: Solve for x
    x = 80,606,249.58/10,039.35
  6. Step 6: Final answer
    x = 8,029.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.