Home / 12,695.10-19,049.85-4,904.46

Finding the Fourth Proportional to 12,695.10, 19,049.85 and 4,904.46

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Solution

The fourth proportional to 12,695.10, 19,049.85 and 4,904.46 is: 7,359.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,695.10 : 19,049.85 = 4,904.46 : x
  2. Step 2: Convert to fraction form
    12,695.10/19,049.85 = 4,904.46/x
  3. Step 3: Cross multiply
    12,695.10x = 19,049.85 × 4,904.46
  4. Step 4: Simplify right side
    12,695.10x = 93,429,227.33
  5. Step 5: Solve for x
    x = 93,429,227.33/12,695.10
  6. Step 6: Final answer
    x = 7,359.47

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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.