Home / 11,808.56-16,296.02-6,431.15

Finding the Fourth Proportional to 11,808.56, 16,296.02 and 6,431.15

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Solution

The fourth proportional to 11,808.56, 16,296.02 and 6,431.15 is: 8,875.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,808.56 : 16,296.02 = 6,431.15 : x
  2. Step 2: Convert to fraction form
    11,808.56/16,296.02 = 6,431.15/x
  3. Step 3: Cross multiply
    11,808.56x = 16,296.02 × 6,431.15
  4. Step 4: Simplify right side
    11,808.56x = 104,802,205.84
  5. Step 5: Solve for x
    x = 104,802,205.84/11,808.56
  6. Step 6: Final answer
    x = 8,875.10

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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.