Home / 11,775.45-16,249.21-7,058.82

Finding the Fourth Proportional to 11,775.45, 16,249.21 and 7,058.82

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Solution

The fourth proportional to 11,775.45, 16,249.21 and 7,058.82 is: 9,740.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.45 : 16,249.21 = 7,058.82 : x
  2. Step 2: Convert to fraction form
    11,775.45/16,249.21 = 7,058.82/x
  3. Step 3: Cross multiply
    11,775.45x = 16,249.21 × 7,058.82
  4. Step 4: Simplify right side
    11,775.45x = 114,700,248.53
  5. Step 5: Solve for x
    x = 114,700,248.53/11,775.45
  6. Step 6: Final answer
    x = 9,740.63

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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.