Home / 9,184.72-12,656.64-6,385.36

Finding the Fourth Proportional to 9,184.72, 12,656.64 and 6,385.36

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Solution

The fourth proportional to 9,184.72, 12,656.64 and 6,385.36 is: 8,799.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,184.72 : 12,656.64 = 6,385.36 : x
  2. Step 2: Convert to fraction form
    9,184.72/12,656.64 = 6,385.36/x
  3. Step 3: Cross multiply
    9,184.72x = 12,656.64 × 6,385.36
  4. Step 4: Simplify right side
    9,184.72x = 80,817,202.79
  5. Step 5: Solve for x
    x = 80,817,202.79/9,184.72
  6. Step 6: Final answer
    x = 8,799.09

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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.