Home / 11,913.32-16,440.24-6,608.08

Finding the Fourth Proportional to 11,913.32, 16,440.24 and 6,608.08

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Solution

The fourth proportional to 11,913.32, 16,440.24 and 6,608.08 is: 9,119.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.32 : 16,440.24 = 6,608.08 : x
  2. Step 2: Convert to fraction form
    11,913.32/16,440.24 = 6,608.08/x
  3. Step 3: Cross multiply
    11,913.32x = 16,440.24 × 6,608.08
  4. Step 4: Simplify right side
    11,913.32x = 108,638,421.14
  5. Step 5: Solve for x
    x = 108,638,421.14/11,913.32
  6. Step 6: Final answer
    x = 9,119.07

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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.