Home / 10,214.16-15,312.87-3,636.60

Finding the Fourth Proportional to 10,214.16, 15,312.87 and 3,636.60

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Solution

The fourth proportional to 10,214.16, 15,312.87 and 3,636.60 is: 5,451.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,214.16 : 15,312.87 = 3,636.60 : x
  2. Step 2: Convert to fraction form
    10,214.16/15,312.87 = 3,636.60/x
  3. Step 3: Cross multiply
    10,214.16x = 15,312.87 × 3,636.60
  4. Step 4: Simplify right side
    10,214.16x = 55,686,783.04
  5. Step 5: Solve for x
    x = 55,686,783.04/10,214.16
  6. Step 6: Final answer
    x = 5,451.92

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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.