Home / 9,135.82-12,607.42-4,944.06

Finding the Fourth Proportional to 9,135.82, 12,607.42 and 4,944.06

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Solution

The fourth proportional to 9,135.82, 12,607.42 and 4,944.06 is: 6,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.82 : 12,607.42 = 4,944.06 : x
  2. Step 2: Convert to fraction form
    9,135.82/12,607.42 = 4,944.06/x
  3. Step 3: Cross multiply
    9,135.82x = 12,607.42 × 4,944.06
  4. Step 4: Simplify right side
    9,135.82x = 62,331,840.93
  5. Step 5: Solve for x
    x = 62,331,840.93/9,135.82
  6. Step 6: Final answer
    x = 6,822.80

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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.