Home / 10,151.04-15,222.77-3,485.65

Finding the Fourth Proportional to 10,151.04, 15,222.77 and 3,485.65

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Solution

The fourth proportional to 10,151.04, 15,222.77 and 3,485.65 is: 5,227.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,151.04 : 15,222.77 = 3,485.65 : x
  2. Step 2: Convert to fraction form
    10,151.04/15,222.77 = 3,485.65/x
  3. Step 3: Cross multiply
    10,151.04x = 15,222.77 × 3,485.65
  4. Step 4: Simplify right side
    10,151.04x = 53,061,218.91
  5. Step 5: Solve for x
    x = 53,061,218.91/10,151.04
  6. Step 6: Final answer
    x = 5,227.17

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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.