Home / 10,105.55-15,160.36-4,262.14

Finding the Fourth Proportional to 10,105.55, 15,160.36 and 4,262.14

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Solution

The fourth proportional to 10,105.55, 15,160.36 and 4,262.14 is: 6,394.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,105.55 : 15,160.36 = 4,262.14 : x
  2. Step 2: Convert to fraction form
    10,105.55/15,160.36 = 4,262.14/x
  3. Step 3: Cross multiply
    10,105.55x = 15,160.36 × 4,262.14
  4. Step 4: Simplify right side
    10,105.55x = 64,615,576.77
  5. Step 5: Solve for x
    x = 64,615,576.77/10,105.55
  6. Step 6: Final answer
    x = 6,394.07

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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.