Home / 10,474.99-15,705.18-4,923

Finding the Fourth Proportional to 10,474.99, 15,705.18 and 4,923

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Solution

The fourth proportional to 10,474.99, 15,705.18 and 4,923 is: 7,381.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,474.99 : 15,705.18 = 4,923 : x
  2. Step 2: Convert to fraction form
    10,474.99/15,705.18 = 4,923/x
  3. Step 3: Cross multiply
    10,474.99x = 15,705.18 × 4,923
  4. Step 4: Simplify right side
    10,474.99x = 77,316,601.14
  5. Step 5: Solve for x
    x = 77,316,601.14/10,474.99
  6. Step 6: Final answer
    x = 7,381.07

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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.