Home / 8,399.46-11,592.30-5,423.93

Finding the Fourth Proportional to 8,399.46, 11,592.30 and 5,423.93

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Solution

The fourth proportional to 8,399.46, 11,592.30 and 5,423.93 is: 7,485.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.46 : 11,592.30 = 5,423.93 : x
  2. Step 2: Convert to fraction form
    8,399.46/11,592.30 = 5,423.93/x
  3. Step 3: Cross multiply
    8,399.46x = 11,592.30 × 5,423.93
  4. Step 4: Simplify right side
    8,399.46x = 62,875,765.78
  5. Step 5: Solve for x
    x = 62,875,765.78/8,399.46
  6. Step 6: Final answer
    x = 7,485.69

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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.