Home / 8,472.05-11,690.41-4,695.26

Finding the Fourth Proportional to 8,472.05, 11,690.41 and 4,695.26

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Solution

The fourth proportional to 8,472.05, 11,690.41 and 4,695.26 is: 6,478.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,472.05 : 11,690.41 = 4,695.26 : x
  2. Step 2: Convert to fraction form
    8,472.05/11,690.41 = 4,695.26/x
  3. Step 3: Cross multiply
    8,472.05x = 11,690.41 × 4,695.26
  4. Step 4: Simplify right side
    8,472.05x = 54,889,549.55
  5. Step 5: Solve for x
    x = 54,889,549.55/8,472.05
  6. Step 6: Final answer
    x = 6,478.90

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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.