Home / 11,775.88-16,250.72-6,471.02

Finding the Fourth Proportional to 11,775.88, 16,250.72 and 6,471.02

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Solution

The fourth proportional to 11,775.88, 16,250.72 and 6,471.02 is: 8,930.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.88 : 16,250.72 = 6,471.02 : x
  2. Step 2: Convert to fraction form
    11,775.88/16,250.72 = 6,471.02/x
  3. Step 3: Cross multiply
    11,775.88x = 16,250.72 × 6,471.02
  4. Step 4: Simplify right side
    11,775.88x = 105,158,734.13
  5. Step 5: Solve for x
    x = 105,158,734.13/11,775.88
  6. Step 6: Final answer
    x = 8,930.01

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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.