Home / 9,154.54-12,633.14-5,176.94

Finding the Fourth Proportional to 9,154.54, 12,633.14 and 5,176.94

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Solution

The fourth proportional to 9,154.54, 12,633.14 and 5,176.94 is: 7,144.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,154.54 : 12,633.14 = 5,176.94 : x
  2. Step 2: Convert to fraction form
    9,154.54/12,633.14 = 5,176.94/x
  3. Step 3: Cross multiply
    9,154.54x = 12,633.14 × 5,176.94
  4. Step 4: Simplify right side
    9,154.54x = 65,401,007.79
  5. Step 5: Solve for x
    x = 65,401,007.79/9,154.54
  6. Step 6: Final answer
    x = 7,144.11

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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.