Home / 11,828.07-16,322.45-6,522.78

Finding the Fourth Proportional to 11,828.07, 16,322.45 and 6,522.78

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Solution

The fourth proportional to 11,828.07, 16,322.45 and 6,522.78 is: 9,001.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,828.07 : 16,322.45 = 6,522.78 : x
  2. Step 2: Convert to fraction form
    11,828.07/16,322.45 = 6,522.78/x
  3. Step 3: Cross multiply
    11,828.07x = 16,322.45 × 6,522.78
  4. Step 4: Simplify right side
    11,828.07x = 106,467,717.80
  5. Step 5: Solve for x
    x = 106,467,717.80/11,828.07
  6. Step 6: Final answer
    x = 9,001.28

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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.