Home / 10,885.24-15,015.54-6,692.68

Finding the Fourth Proportional to 10,885.24, 15,015.54 and 6,692.68

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Solution

The fourth proportional to 10,885.24, 15,015.54 and 6,692.68 is: 9,232.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,885.24 : 15,015.54 = 6,692.68 : x
  2. Step 2: Convert to fraction form
    10,885.24/15,015.54 = 6,692.68/x
  3. Step 3: Cross multiply
    10,885.24x = 15,015.54 × 6,692.68
  4. Step 4: Simplify right side
    10,885.24x = 100,494,204.25
  5. Step 5: Solve for x
    x = 100,494,204.25/10,885.24
  6. Step 6: Final answer
    x = 9,232.15

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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.