Home / 11,423.72-17,123.91-6,482.92

Finding the Fourth Proportional to 11,423.72, 17,123.91 and 6,482.92

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Solution

The fourth proportional to 11,423.72, 17,123.91 and 6,482.92 is: 9,717.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,423.72 : 17,123.91 = 6,482.92 : x
  2. Step 2: Convert to fraction form
    11,423.72/17,123.91 = 6,482.92/x
  3. Step 3: Cross multiply
    11,423.72x = 17,123.91 × 6,482.92
  4. Step 4: Simplify right side
    11,423.72x = 111,012,938.62
  5. Step 5: Solve for x
    x = 111,012,938.62/11,423.72
  6. Step 6: Final answer
    x = 9,717.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.