Home / 7,474.23-10,312.11-4,490.73

Finding the Fourth Proportional to 7,474.23, 10,312.11 and 4,490.73

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Solution

The fourth proportional to 7,474.23, 10,312.11 and 4,490.73 is: 6,195.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.23 : 10,312.11 = 4,490.73 : x
  2. Step 2: Convert to fraction form
    7,474.23/10,312.11 = 4,490.73/x
  3. Step 3: Cross multiply
    7,474.23x = 10,312.11 × 4,490.73
  4. Step 4: Simplify right side
    7,474.23x = 46,308,901.74
  5. Step 5: Solve for x
    x = 46,308,901.74/7,474.23
  6. Step 6: Final answer
    x = 6,195.81

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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.