Home / 11,722.77-16,174.22-7,533.45

Finding the Fourth Proportional to 11,722.77, 16,174.22 and 7,533.45

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Solution

The fourth proportional to 11,722.77, 16,174.22 and 7,533.45 is: 10,394.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.77 : 16,174.22 = 7,533.45 : x
  2. Step 2: Convert to fraction form
    11,722.77/16,174.22 = 7,533.45/x
  3. Step 3: Cross multiply
    11,722.77x = 16,174.22 × 7,533.45
  4. Step 4: Simplify right side
    11,722.77x = 121,847,639.99
  5. Step 5: Solve for x
    x = 121,847,639.99/11,722.77
  6. Step 6: Final answer
    x = 10,394.10

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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.