Home / 11,334.32-15,640.90-6,298.86

Finding the Fourth Proportional to 11,334.32, 15,640.90 and 6,298.86

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Solution

The fourth proportional to 11,334.32, 15,640.90 and 6,298.86 is: 8,692.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,334.32 : 15,640.90 = 6,298.86 : x
  2. Step 2: Convert to fraction form
    11,334.32/15,640.90 = 6,298.86/x
  3. Step 3: Cross multiply
    11,334.32x = 15,640.90 × 6,298.86
  4. Step 4: Simplify right side
    11,334.32x = 98,519,839.37
  5. Step 5: Solve for x
    x = 98,519,839.37/11,334.32
  6. Step 6: Final answer
    x = 8,692.17

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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.