Home / 12,077.05-16,666.41-6,771.96

Finding the Fourth Proportional to 12,077.05, 16,666.41 and 6,771.96

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Solution

The fourth proportional to 12,077.05, 16,666.41 and 6,771.96 is: 9,345.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,077.05 : 16,666.41 = 6,771.96 : x
  2. Step 2: Convert to fraction form
    12,077.05/16,666.41 = 6,771.96/x
  3. Step 3: Cross multiply
    12,077.05x = 16,666.41 × 6,771.96
  4. Step 4: Simplify right side
    12,077.05x = 112,864,261.86
  5. Step 5: Solve for x
    x = 112,864,261.86/12,077.05
  6. Step 6: Final answer
    x = 9,345.35

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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.