Home / 23,043.78-34,562.34-6,405.12

Finding the Fourth Proportional to 23,043.78, 34,562.34 and 6,405.12

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Solution

The fourth proportional to 23,043.78, 34,562.34 and 6,405.12 is: 9,606.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,043.78 : 34,562.34 = 6,405.12 : x
  2. Step 2: Convert to fraction form
    23,043.78/34,562.34 = 6,405.12/x
  3. Step 3: Cross multiply
    23,043.78x = 34,562.34 × 6,405.12
  4. Step 4: Simplify right side
    23,043.78x = 221,375,935.18
  5. Step 5: Solve for x
    x = 221,375,935.18/23,043.78
  6. Step 6: Final answer
    x = 9,606.75

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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.