Home / 11,692.04-16,134.75-6,386.88

Finding the Fourth Proportional to 11,692.04, 16,134.75 and 6,386.88

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Solution

The fourth proportional to 11,692.04, 16,134.75 and 6,386.88 is: 8,813.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,692.04 : 16,134.75 = 6,386.88 : x
  2. Step 2: Convert to fraction form
    11,692.04/16,134.75 = 6,386.88/x
  3. Step 3: Cross multiply
    11,692.04x = 16,134.75 × 6,386.88
  4. Step 4: Simplify right side
    11,692.04x = 103,050,712.08
  5. Step 5: Solve for x
    x = 103,050,712.08/11,692.04
  6. Step 6: Final answer
    x = 8,813.75

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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.