Home / 11,335.64-15,642.18-6,299.54

Finding the Fourth Proportional to 11,335.64, 15,642.18 and 6,299.54

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Solution

The fourth proportional to 11,335.64, 15,642.18 and 6,299.54 is: 8,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.64 : 15,642.18 = 6,299.54 : x
  2. Step 2: Convert to fraction form
    11,335.64/15,642.18 = 6,299.54/x
  3. Step 3: Cross multiply
    11,335.64x = 15,642.18 × 6,299.54
  4. Step 4: Simplify right side
    11,335.64x = 98,538,460.39
  5. Step 5: Solve for x
    x = 98,538,460.39/11,335.64
  6. Step 6: Final answer
    x = 8,692.80

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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.