Home / 8,260.84-11,395.98-5,427.04

Finding the Fourth Proportional to 8,260.84, 11,395.98 and 5,427.04

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Solution

The fourth proportional to 8,260.84, 11,395.98 and 5,427.04 is: 7,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.84 : 11,395.98 = 5,427.04 : x
  2. Step 2: Convert to fraction form
    8,260.84/11,395.98 = 5,427.04/x
  3. Step 3: Cross multiply
    8,260.84x = 11,395.98 × 5,427.04
  4. Step 4: Simplify right side
    8,260.84x = 61,846,439.30
  5. Step 5: Solve for x
    x = 61,846,439.30/8,260.84
  6. Step 6: Final answer
    x = 7,486.70

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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.