Home / 11,895.53-16,408.40-7,652.12

Finding the Fourth Proportional to 11,895.53, 16,408.40 and 7,652.12

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Solution

The fourth proportional to 11,895.53, 16,408.40 and 7,652.12 is: 10,555.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.53 : 16,408.40 = 7,652.12 : x
  2. Step 2: Convert to fraction form
    11,895.53/16,408.40 = 7,652.12/x
  3. Step 3: Cross multiply
    11,895.53x = 16,408.40 × 7,652.12
  4. Step 4: Simplify right side
    11,895.53x = 125,558,985.66
  5. Step 5: Solve for x
    x = 125,558,985.66/11,895.53
  6. Step 6: Final answer
    x = 10,555.14

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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.