Home / 9,176.25-12,664.32-5,450.25

Finding the Fourth Proportional to 9,176.25, 12,664.32 and 5,450.25

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Solution

The fourth proportional to 9,176.25, 12,664.32 and 5,450.25 is: 7,522.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176.25 : 12,664.32 = 5,450.25 : x
  2. Step 2: Convert to fraction form
    9,176.25/12,664.32 = 5,450.25/x
  3. Step 3: Cross multiply
    9,176.25x = 12,664.32 × 5,450.25
  4. Step 4: Simplify right side
    9,176.25x = 69,023,710.08
  5. Step 5: Solve for x
    x = 69,023,710.08/9,176.25
  6. Step 6: Final answer
    x = 7,522.00

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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.