Home / 12,346.97-18,522.41-5,328.99

Finding the Fourth Proportional to 12,346.97, 18,522.41 and 5,328.99

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Solution

The fourth proportional to 12,346.97, 18,522.41 and 5,328.99 is: 7,994.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346.97 : 18,522.41 = 5,328.99 : x
  2. Step 2: Convert to fraction form
    12,346.97/18,522.41 = 5,328.99/x
  3. Step 3: Cross multiply
    12,346.97x = 18,522.41 × 5,328.99
  4. Step 4: Simplify right side
    12,346.97x = 98,705,711.02
  5. Step 5: Solve for x
    x = 98,705,711.02/12,346.97
  6. Step 6: Final answer
    x = 7,994.33

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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.