Home / 11,212.48-15,479.43-6,737.32

Finding the Fourth Proportional to 11,212.48, 15,479.43 and 6,737.32

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Solution

The fourth proportional to 11,212.48, 15,479.43 and 6,737.32 is: 9,301.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.48 : 15,479.43 = 6,737.32 : x
  2. Step 2: Convert to fraction form
    11,212.48/15,479.43 = 6,737.32/x
  3. Step 3: Cross multiply
    11,212.48x = 15,479.43 × 6,737.32
  4. Step 4: Simplify right side
    11,212.48x = 104,289,873.33
  5. Step 5: Solve for x
    x = 104,289,873.33/11,212.48
  6. Step 6: Final answer
    x = 9,301.23

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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.