Home / 8,425.10-11,628.41-5,775.99

Finding the Fourth Proportional to 8,425.10, 11,628.41 and 5,775.99

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Solution

The fourth proportional to 8,425.10, 11,628.41 and 5,775.99 is: 7,972.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425.10 : 11,628.41 = 5,775.99 : x
  2. Step 2: Convert to fraction form
    8,425.10/11,628.41 = 5,775.99/x
  3. Step 3: Cross multiply
    8,425.10x = 11,628.41 × 5,775.99
  4. Step 4: Simplify right side
    8,425.10x = 67,165,551.00
  5. Step 5: Solve for x
    x = 67,165,551.00/8,425.10
  6. Step 6: Final answer
    x = 7,972.08

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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.