Home / 10,130.46-15,195.96-4,286.04

Finding the Fourth Proportional to 10,130.46, 15,195.96 and 4,286.04

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Solution

The fourth proportional to 10,130.46, 15,195.96 and 4,286.04 is: 6,429.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.46 : 15,195.96 = 4,286.04 : x
  2. Step 2: Convert to fraction form
    10,130.46/15,195.96 = 4,286.04/x
  3. Step 3: Cross multiply
    10,130.46x = 15,195.96 × 4,286.04
  4. Step 4: Simplify right side
    10,130.46x = 65,130,492.40
  5. Step 5: Solve for x
    x = 65,130,492.40/10,130.46
  6. Step 6: Final answer
    x = 6,429.17

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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.