Home / 11,238.16-16,864.75-4,664.34

Finding the Fourth Proportional to 11,238.16, 16,864.75 and 4,664.34

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Solution

The fourth proportional to 11,238.16, 16,864.75 and 4,664.34 is: 6,999.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.16 : 16,864.75 = 4,664.34 : x
  2. Step 2: Convert to fraction form
    11,238.16/16,864.75 = 4,664.34/x
  3. Step 3: Cross multiply
    11,238.16x = 16,864.75 × 4,664.34
  4. Step 4: Simplify right side
    11,238.16x = 78,662,928.02
  5. Step 5: Solve for x
    x = 78,662,928.02/11,238.16
  6. Step 6: Final answer
    x = 6,999.63

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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.