Home / 11,176.34-15,423.36-6,460.64

Finding the Fourth Proportional to 11,176.34, 15,423.36 and 6,460.64

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Solution

The fourth proportional to 11,176.34, 15,423.36 and 6,460.64 is: 8,915.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.34 : 15,423.36 = 6,460.64 : x
  2. Step 2: Convert to fraction form
    11,176.34/15,423.36 = 6,460.64/x
  3. Step 3: Cross multiply
    11,176.34x = 15,423.36 × 6,460.64
  4. Step 4: Simplify right side
    11,176.34x = 99,644,776.55
  5. Step 5: Solve for x
    x = 99,644,776.55/11,176.34
  6. Step 6: Final answer
    x = 8,915.69

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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.