Home / 8,990.17-13,486.06-2,416.21

Finding the Fourth Proportional to 8,990.17, 13,486.06 and 2,416.21

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Solution

The fourth proportional to 8,990.17, 13,486.06 and 2,416.21 is: 3,624.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990.17 : 13,486.06 = 2,416.21 : x
  2. Step 2: Convert to fraction form
    8,990.17/13,486.06 = 2,416.21/x
  3. Step 3: Cross multiply
    8,990.17x = 13,486.06 × 2,416.21
  4. Step 4: Simplify right side
    8,990.17x = 32,585,085.60
  5. Step 5: Solve for x
    x = 32,585,085.60/8,990.17
  6. Step 6: Final answer
    x = 3,624.53

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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.