Home / 11,079.90-16,618.01-3,685.14

Finding the Fourth Proportional to 11,079.90, 16,618.01 and 3,685.14

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Solution

The fourth proportional to 11,079.90, 16,618.01 and 3,685.14 is: 5,527.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.90 : 16,618.01 = 3,685.14 : x
  2. Step 2: Convert to fraction form
    11,079.90/16,618.01 = 3,685.14/x
  3. Step 3: Cross multiply
    11,079.90x = 16,618.01 × 3,685.14
  4. Step 4: Simplify right side
    11,079.90x = 61,239,674.95
  5. Step 5: Solve for x
    x = 61,239,674.95/11,079.90
  6. Step 6: Final answer
    x = 5,527.10

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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.