Home / 10,329.44-15,485.53-4,786.76

Finding the Fourth Proportional to 10,329.44, 15,485.53 and 4,786.76

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Solution

The fourth proportional to 10,329.44, 15,485.53 and 4,786.76 is: 7,176.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329.44 : 15,485.53 = 4,786.76 : x
  2. Step 2: Convert to fraction form
    10,329.44/15,485.53 = 4,786.76/x
  3. Step 3: Cross multiply
    10,329.44x = 15,485.53 × 4,786.76
  4. Step 4: Simplify right side
    10,329.44x = 74,125,426.19
  5. Step 5: Solve for x
    x = 74,125,426.19/10,329.44
  6. Step 6: Final answer
    x = 7,176.14

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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.