Home / 11,176.30-15,423.04-6,071.75

Finding the Fourth Proportional to 11,176.30, 15,423.04 and 6,071.75

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Solution

The fourth proportional to 11,176.30, 15,423.04 and 6,071.75 is: 8,378.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.30 : 15,423.04 = 6,071.75 : x
  2. Step 2: Convert to fraction form
    11,176.30/15,423.04 = 6,071.75/x
  3. Step 3: Cross multiply
    11,176.30x = 15,423.04 × 6,071.75
  4. Step 4: Simplify right side
    11,176.30x = 93,644,843.12
  5. Step 5: Solve for x
    x = 93,644,843.12/11,176.30
  6. Step 6: Final answer
    x = 8,378.88

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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.