Home / 10,133.76-15,195.54-5,918.46

Finding the Fourth Proportional to 10,133.76, 15,195.54 and 5,918.46

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Solution

The fourth proportional to 10,133.76, 15,195.54 and 5,918.46 is: 8,874.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.76 : 15,195.54 = 5,918.46 : x
  2. Step 2: Convert to fraction form
    10,133.76/15,195.54 = 5,918.46/x
  3. Step 3: Cross multiply
    10,133.76x = 15,195.54 × 5,918.46
  4. Step 4: Simplify right side
    10,133.76x = 89,934,195.67
  5. Step 5: Solve for x
    x = 89,934,195.67/10,133.76
  6. Step 6: Final answer
    x = 8,874.71

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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.