Home / 10,210.46-15,316.19-2,814.75

Finding the Fourth Proportional to 10,210.46, 15,316.19 and 2,814.75

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Solution

The fourth proportional to 10,210.46, 15,316.19 and 2,814.75 is: 4,222.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,210.46 : 15,316.19 = 2,814.75 : x
  2. Step 2: Convert to fraction form
    10,210.46/15,316.19 = 2,814.75/x
  3. Step 3: Cross multiply
    10,210.46x = 15,316.19 × 2,814.75
  4. Step 4: Simplify right side
    10,210.46x = 43,111,242.28
  5. Step 5: Solve for x
    x = 43,111,242.28/10,210.46
  6. Step 6: Final answer
    x = 4,222.26

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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.