Home / 13,317.58-18,384.91-8,283.43

Finding the Fourth Proportional to 13,317.58, 18,384.91 and 8,283.43

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Solution

The fourth proportional to 13,317.58, 18,384.91 and 8,283.43 is: 11,435.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317.58 : 18,384.91 = 8,283.43 : x
  2. Step 2: Convert to fraction form
    13,317.58/18,384.91 = 8,283.43/x
  3. Step 3: Cross multiply
    13,317.58x = 18,384.91 × 8,283.43
  4. Step 4: Simplify right side
    13,317.58x = 152,290,023.12
  5. Step 5: Solve for x
    x = 152,290,023.12/13,317.58
  6. Step 6: Final answer
    x = 11,435.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.