Home / 13,285.44-18,334.74-7,317.10

Finding the Fourth Proportional to 13,285.44, 18,334.74 and 7,317.10

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Solution

The fourth proportional to 13,285.44, 18,334.74 and 7,317.10 is: 10,098.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285.44 : 18,334.74 = 7,317.10 : x
  2. Step 2: Convert to fraction form
    13,285.44/18,334.74 = 7,317.10/x
  3. Step 3: Cross multiply
    13,285.44x = 18,334.74 × 7,317.10
  4. Step 4: Simplify right side
    13,285.44x = 134,157,166.24
  5. Step 5: Solve for x
    x = 134,157,166.24/13,285.44
  6. Step 6: Final answer
    x = 10,098.06

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Similar ratio
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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.