Home / 12,416.22-18,619.77-5,018.70

Finding the Fourth Proportional to 12,416.22, 18,619.77 and 5,018.70

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Solution

The fourth proportional to 12,416.22, 18,619.77 and 5,018.70 is: 7,526.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,416.22 : 18,619.77 = 5,018.70 : x
  2. Step 2: Convert to fraction form
    12,416.22/18,619.77 = 5,018.70/x
  3. Step 3: Cross multiply
    12,416.22x = 18,619.77 × 5,018.70
  4. Step 4: Simplify right side
    12,416.22x = 93,447,039.70
  5. Step 5: Solve for x
    x = 93,447,039.70/12,416.22
  6. Step 6: Final answer
    x = 7,526.21

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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.