Home / 10,210.23-15,315.30-3,636.66

Finding the Fourth Proportional to 10,210.23, 15,315.30 and 3,636.66

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Solution

The fourth proportional to 10,210.23, 15,315.30 and 3,636.66 is: 5,454.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,210.23 : 15,315.30 = 3,636.66 : x
  2. Step 2: Convert to fraction form
    10,210.23/15,315.30 = 3,636.66/x
  3. Step 3: Cross multiply
    10,210.23x = 15,315.30 × 3,636.66
  4. Step 4: Simplify right side
    10,210.23x = 55,696,538.90
  5. Step 5: Solve for x
    x = 55,696,538.90/10,210.23
  6. Step 6: Final answer
    x = 5,454.97

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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.