Home / 12,009.36-16,571.34-6,703.32

Finding the Fourth Proportional to 12,009.36, 16,571.34 and 6,703.32

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Solution

The fourth proportional to 12,009.36, 16,571.34 and 6,703.32 is: 9,249.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009.36 : 16,571.34 = 6,703.32 : x
  2. Step 2: Convert to fraction form
    12,009.36/16,571.34 = 6,703.32/x
  3. Step 3: Cross multiply
    12,009.36x = 16,571.34 × 6,703.32
  4. Step 4: Simplify right side
    12,009.36x = 111,082,994.85
  5. Step 5: Solve for x
    x = 111,082,994.85/12,009.36
  6. Step 6: Final answer
    x = 9,249.70

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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.