Home / 9,310.23-12,847.55-5,330.43

Finding the Fourth Proportional to 9,310.23, 12,847.55 and 5,330.43

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Solution

The fourth proportional to 9,310.23, 12,847.55 and 5,330.43 is: 7,355.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,310.23 : 12,847.55 = 5,330.43 : x
  2. Step 2: Convert to fraction form
    9,310.23/12,847.55 = 5,330.43/x
  3. Step 3: Cross multiply
    9,310.23x = 12,847.55 × 5,330.43
  4. Step 4: Simplify right side
    9,310.23x = 68,482,939.29
  5. Step 5: Solve for x
    x = 68,482,939.29/9,310.23
  6. Step 6: Final answer
    x = 7,355.67

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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.