Home / 11,828.16-17,742.24-6,887.52

Finding the Fourth Proportional to 11,828.16, 17,742.24 and 6,887.52

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Solution

The fourth proportional to 11,828.16, 17,742.24 and 6,887.52 is: 10,331.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,828.16 : 17,742.24 = 6,887.52 : x
  2. Step 2: Convert to fraction form
    11,828.16/17,742.24 = 6,887.52/x
  3. Step 3: Cross multiply
    11,828.16x = 17,742.24 × 6,887.52
  4. Step 4: Simplify right side
    11,828.16x = 122,200,032.84
  5. Step 5: Solve for x
    x = 122,200,032.84/11,828.16
  6. Step 6: Final answer
    x = 10,331.28

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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.