Home / 10,990.82-16,486.99-4,417.01

Finding the Fourth Proportional to 10,990.82, 16,486.99 and 4,417.01

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Solution

The fourth proportional to 10,990.82, 16,486.99 and 4,417.01 is: 6,625.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990.82 : 16,486.99 = 4,417.01 : x
  2. Step 2: Convert to fraction form
    10,990.82/16,486.99 = 4,417.01/x
  3. Step 3: Cross multiply
    10,990.82x = 16,486.99 × 4,417.01
  4. Step 4: Simplify right side
    10,990.82x = 72,823,199.70
  5. Step 5: Solve for x
    x = 72,823,199.70/10,990.82
  6. Step 6: Final answer
    x = 6,625.82

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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.