Home / 9,931.24-14,902.80-3,690.20

Finding the Fourth Proportional to 9,931.24, 14,902.80 and 3,690.20

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Solution

The fourth proportional to 9,931.24, 14,902.80 and 3,690.20 is: 5,537.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,931.24 : 14,902.80 = 3,690.20 : x
  2. Step 2: Convert to fraction form
    9,931.24/14,902.80 = 3,690.20/x
  3. Step 3: Cross multiply
    9,931.24x = 14,902.80 × 3,690.20
  4. Step 4: Simplify right side
    9,931.24x = 54,994,312.56
  5. Step 5: Solve for x
    x = 54,994,312.56/9,931.24
  6. Step 6: Final answer
    x = 5,537.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.