Home / 11,025.88-16,500.67-6,807.40

Finding the Fourth Proportional to 11,025.88, 16,500.67 and 6,807.40

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Solution

The fourth proportional to 11,025.88, 16,500.67 and 6,807.40 is: 10,187.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,025.88 : 16,500.67 = 6,807.40 : x
  2. Step 2: Convert to fraction form
    11,025.88/16,500.67 = 6,807.40/x
  3. Step 3: Cross multiply
    11,025.88x = 16,500.67 × 6,807.40
  4. Step 4: Simplify right side
    11,025.88x = 112,326,602.69
  5. Step 5: Solve for x
    x = 112,326,602.69/11,025.88
  6. Step 6: Final answer
    x = 10,187.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.