Home / 10,125.04-15,188.10-3,199

Finding the Fourth Proportional to 10,125.04, 15,188.10 and 3,199

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Solution

The fourth proportional to 10,125.04, 15,188.10 and 3,199 is: 4,798.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.04 : 15,188.10 = 3,199 : x
  2. Step 2: Convert to fraction form
    10,125.04/15,188.10 = 3,199/x
  3. Step 3: Cross multiply
    10,125.04x = 15,188.10 × 3,199
  4. Step 4: Simplify right side
    10,125.04x = 48,586,731.90
  5. Step 5: Solve for x
    x = 48,586,731.90/10,125.04
  6. Step 6: Final answer
    x = 4,798.67

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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.