Home / 10,115.64-13,951.67-6,579.98

Finding the Fourth Proportional to 10,115.64, 13,951.67 and 6,579.98

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Solution

The fourth proportional to 10,115.64, 13,951.67 and 6,579.98 is: 9,075.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115.64 : 13,951.67 = 6,579.98 : x
  2. Step 2: Convert to fraction form
    10,115.64/13,951.67 = 6,579.98/x
  3. Step 3: Cross multiply
    10,115.64x = 13,951.67 × 6,579.98
  4. Step 4: Simplify right side
    10,115.64x = 91,801,709.57
  5. Step 5: Solve for x
    x = 91,801,709.57/10,115.64
  6. Step 6: Final answer
    x = 9,075.23

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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.