Home / 9,763.10-14,623.05-5,140.70

Finding the Fourth Proportional to 9,763.10, 14,623.05 and 5,140.70

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Solution

The fourth proportional to 9,763.10, 14,623.05 and 5,140.70 is: 7,699.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,763.10 : 14,623.05 = 5,140.70 : x
  2. Step 2: Convert to fraction form
    9,763.10/14,623.05 = 5,140.70/x
  3. Step 3: Cross multiply
    9,763.10x = 14,623.05 × 5,140.70
  4. Step 4: Simplify right side
    9,763.10x = 75,172,713.14
  5. Step 5: Solve for x
    x = 75,172,713.14/9,763.10
  6. Step 6: Final answer
    x = 7,699.68

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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.