Home / 9,154.52-12,633.79-5,176.01

Finding the Fourth Proportional to 9,154.52, 12,633.79 and 5,176.01

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Solution

The fourth proportional to 9,154.52, 12,633.79 and 5,176.01 is: 7,143.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,154.52 : 12,633.79 = 5,176.01 : x
  2. Step 2: Convert to fraction form
    9,154.52/12,633.79 = 5,176.01/x
  3. Step 3: Cross multiply
    9,154.52x = 12,633.79 × 5,176.01
  4. Step 4: Simplify right side
    9,154.52x = 65,392,623.38
  5. Step 5: Solve for x
    x = 65,392,623.38/9,154.52
  6. Step 6: Final answer
    x = 7,143.21

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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.