Home / 9,479.88-13,082.21-5,230.93

Finding the Fourth Proportional to 9,479.88, 13,082.21 and 5,230.93

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Solution

The fourth proportional to 9,479.88, 13,082.21 and 5,230.93 is: 7,218.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.88 : 13,082.21 = 5,230.93 : x
  2. Step 2: Convert to fraction form
    9,479.88/13,082.21 = 5,230.93/x
  3. Step 3: Cross multiply
    9,479.88x = 13,082.21 × 5,230.93
  4. Step 4: Simplify right side
    9,479.88x = 68,432,200.63
  5. Step 5: Solve for x
    x = 68,432,200.63/9,479.88
  6. Step 6: Final answer
    x = 7,218.68

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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.