Home / 8,159.94-11,270.00-5,775.91

Finding the Fourth Proportional to 8,159.94, 11,270.00 and 5,775.91

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Solution

The fourth proportional to 8,159.94, 11,270.00 and 5,775.91 is: 7,977.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159.94 : 11,270.00 = 5,775.91 : x
  2. Step 2: Convert to fraction form
    8,159.94/11,270.00 = 5,775.91/x
  3. Step 3: Cross multiply
    8,159.94x = 11,270.00 × 5,775.91
  4. Step 4: Simplify right side
    8,159.94x = 65,094,491.96
  5. Step 5: Solve for x
    x = 65,094,491.96/8,159.94
  6. Step 6: Final answer
    x = 7,977.32

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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.