Home / 11,176.32-15,423.04-6,460.92

Finding the Fourth Proportional to 11,176.32, 15,423.04 and 6,460.92

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Solution

The fourth proportional to 11,176.32, 15,423.04 and 6,460.92 is: 8,915.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.32 : 15,423.04 = 6,460.92 : x
  2. Step 2: Convert to fraction form
    11,176.32/15,423.04 = 6,460.92/x
  3. Step 3: Cross multiply
    11,176.32x = 15,423.04 × 6,460.92
  4. Step 4: Simplify right side
    11,176.32x = 99,647,027.60
  5. Step 5: Solve for x
    x = 99,647,027.60/11,176.32
  6. Step 6: Final answer
    x = 8,915.91

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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.