Home / 11,780.09-16,253.65-6,675.74

Finding the Fourth Proportional to 11,780.09, 16,253.65 and 6,675.74

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Solution

The fourth proportional to 11,780.09, 16,253.65 and 6,675.74 is: 9,210.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.09 : 16,253.65 = 6,675.74 : x
  2. Step 2: Convert to fraction form
    11,780.09/16,253.65 = 6,675.74/x
  3. Step 3: Cross multiply
    11,780.09x = 16,253.65 × 6,675.74
  4. Step 4: Simplify right side
    11,780.09x = 108,505,141.45
  5. Step 5: Solve for x
    x = 108,505,141.45/11,780.09
  6. Step 6: Final answer
    x = 9,210.89

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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.