Home / 7,177.54-9,914.42-4,935.53

Finding the Fourth Proportional to 7,177.54, 9,914.42 and 4,935.53

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Solution

The fourth proportional to 7,177.54, 9,914.42 and 4,935.53 is: 6,817.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.54 : 9,914.42 = 4,935.53 : x
  2. Step 2: Convert to fraction form
    7,177.54/9,914.42 = 4,935.53/x
  3. Step 3: Cross multiply
    7,177.54x = 9,914.42 × 4,935.53
  4. Step 4: Simplify right side
    7,177.54x = 48,932,917.34
  5. Step 5: Solve for x
    x = 48,932,917.34/7,177.54
  6. Step 6: Final answer
    x = 6,817.51

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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.