Home / 11,832.45-16,320.64-7,048.70

Finding the Fourth Proportional to 11,832.45, 16,320.64 and 7,048.70

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Solution

The fourth proportional to 11,832.45, 16,320.64 and 7,048.70 is: 9,722.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,832.45 : 16,320.64 = 7,048.70 : x
  2. Step 2: Convert to fraction form
    11,832.45/16,320.64 = 7,048.70/x
  3. Step 3: Cross multiply
    11,832.45x = 16,320.64 × 7,048.70
  4. Step 4: Simplify right side
    11,832.45x = 115,039,391.90
  5. Step 5: Solve for x
    x = 115,039,391.90/11,832.45
  6. Step 6: Final answer
    x = 9,722.37

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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.