Home / 11,796.09-16,278.60-6,491.10

Finding the Fourth Proportional to 11,796.09, 16,278.60 and 6,491.10

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Solution

The fourth proportional to 11,796.09, 16,278.60 and 6,491.10 is: 8,957.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,796.09 : 16,278.60 = 6,491.10 : x
  2. Step 2: Convert to fraction form
    11,796.09/16,278.60 = 6,491.10/x
  3. Step 3: Cross multiply
    11,796.09x = 16,278.60 × 6,491.10
  4. Step 4: Simplify right side
    11,796.09x = 105,666,020.46
  5. Step 5: Solve for x
    x = 105,666,020.46/11,796.09
  6. Step 6: Final answer
    x = 8,957.72

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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.