Home / 7,498.03-11,253.87-3,990.98

Finding the Fourth Proportional to 7,498.03, 11,253.87 and 3,990.98

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Solution

The fourth proportional to 7,498.03, 11,253.87 and 3,990.98 is: 5,990.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,498.03 : 11,253.87 = 3,990.98 : x
  2. Step 2: Convert to fraction form
    7,498.03/11,253.87 = 3,990.98/x
  3. Step 3: Cross multiply
    7,498.03x = 11,253.87 × 3,990.98
  4. Step 4: Simplify right side
    7,498.03x = 44,913,950.14
  5. Step 5: Solve for x
    x = 44,913,950.14/7,498.03
  6. Step 6: Final answer
    x = 5,990.10

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1.5x scale

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.