Home / 9,439.23-13,025.08-5,662.55

Finding the Fourth Proportional to 9,439.23, 13,025.08 and 5,662.55

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Solution

The fourth proportional to 9,439.23, 13,025.08 and 5,662.55 is: 7,813.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.23 : 13,025.08 = 5,662.55 : x
  2. Step 2: Convert to fraction form
    9,439.23/13,025.08 = 5,662.55/x
  3. Step 3: Cross multiply
    9,439.23x = 13,025.08 × 5,662.55
  4. Step 4: Simplify right side
    9,439.23x = 73,755,166.75
  5. Step 5: Solve for x
    x = 73,755,166.75/9,439.23
  6. Step 6: Final answer
    x = 7,813.68

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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.