Home / 10,143.18-15,214.68-3,567.84

Finding the Fourth Proportional to 10,143.18, 15,214.68 and 3,567.84

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Solution

The fourth proportional to 10,143.18, 15,214.68 and 3,567.84 is: 5,351.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143.18 : 15,214.68 = 3,567.84 : x
  2. Step 2: Convert to fraction form
    10,143.18/15,214.68 = 3,567.84/x
  3. Step 3: Cross multiply
    10,143.18x = 15,214.68 × 3,567.84
  4. Step 4: Simplify right side
    10,143.18x = 54,283,543.89
  5. Step 5: Solve for x
    x = 54,283,543.89/10,143.18
  6. Step 6: Final answer
    x = 5,351.73

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1.5x scale

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.