Home / 10,118.70-15,173.08-3,543.92

Finding the Fourth Proportional to 10,118.70, 15,173.08 and 3,543.92

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Solution

The fourth proportional to 10,118.70, 15,173.08 and 3,543.92 is: 5,314.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,118.70 : 15,173.08 = 3,543.92 : x
  2. Step 2: Convert to fraction form
    10,118.70/15,173.08 = 3,543.92/x
  3. Step 3: Cross multiply
    10,118.70x = 15,173.08 × 3,543.92
  4. Step 4: Simplify right side
    10,118.70x = 53,772,181.67
  5. Step 5: Solve for x
    x = 53,772,181.67/10,118.70
  6. Step 6: Final answer
    x = 5,314.14

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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.