Home / 8,990.35-13,485.50-2,416.53

Finding the Fourth Proportional to 8,990.35, 13,485.50 and 2,416.53

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Solution

The fourth proportional to 8,990.35, 13,485.50 and 2,416.53 is: 3,624.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990.35 : 13,485.50 = 2,416.53 : x
  2. Step 2: Convert to fraction form
    8,990.35/13,485.50 = 2,416.53/x
  3. Step 3: Cross multiply
    8,990.35x = 13,485.50 × 2,416.53
  4. Step 4: Simplify right side
    8,990.35x = 32,588,171.93
  5. Step 5: Solve for x
    x = 32,588,171.93/8,990.35
  6. Step 6: Final answer
    x = 3,624.80

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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.