Home / 10,543.96-15,817.34-3,148.68

Finding the Fourth Proportional to 10,543.96, 15,817.34 and 3,148.68

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Solution

The fourth proportional to 10,543.96, 15,817.34 and 3,148.68 is: 4,723.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,543.96 : 15,817.34 = 3,148.68 : x
  2. Step 2: Convert to fraction form
    10,543.96/15,817.34 = 3,148.68/x
  3. Step 3: Cross multiply
    10,543.96x = 15,817.34 × 3,148.68
  4. Step 4: Simplify right side
    10,543.96x = 49,803,742.11
  5. Step 5: Solve for x
    x = 49,803,742.11/10,543.96
  6. Step 6: Final answer
    x = 4,723.44

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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.