Home / 10,368.27-15,544.71-5,177.79

Finding the Fourth Proportional to 10,368.27, 15,544.71 and 5,177.79

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Solution

The fourth proportional to 10,368.27, 15,544.71 and 5,177.79 is: 7,762.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368.27 : 15,544.71 = 5,177.79 : x
  2. Step 2: Convert to fraction form
    10,368.27/15,544.71 = 5,177.79/x
  3. Step 3: Cross multiply
    10,368.27x = 15,544.71 × 5,177.79
  4. Step 4: Simplify right side
    10,368.27x = 80,487,243.99
  5. Step 5: Solve for x
    x = 80,487,243.99/10,368.27
  6. Step 6: Final answer
    x = 7,762.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.