Home / 11,555.10-17,333.46-4,981.68

Finding the Fourth Proportional to 11,555.10, 17,333.46 and 4,981.68

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Solution

The fourth proportional to 11,555.10, 17,333.46 and 4,981.68 is: 7,472.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.10 : 17,333.46 = 4,981.68 : x
  2. Step 2: Convert to fraction form
    11,555.10/17,333.46 = 4,981.68/x
  3. Step 3: Cross multiply
    11,555.10x = 17,333.46 × 4,981.68
  4. Step 4: Simplify right side
    11,555.10x = 86,349,751.01
  5. Step 5: Solve for x
    x = 86,349,751.01/11,555.10
  6. Step 6: Final answer
    x = 7,472.87

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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.