Home / 10,100.34-15,151.32-3,526.38

Finding the Fourth Proportional to 10,100.34, 15,151.32 and 3,526.38

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Solution

The fourth proportional to 10,100.34, 15,151.32 and 3,526.38 is: 5,289.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.34 : 15,151.32 = 3,526.38 : x
  2. Step 2: Convert to fraction form
    10,100.34/15,151.32 = 3,526.38/x
  3. Step 3: Cross multiply
    10,100.34x = 15,151.32 × 3,526.38
  4. Step 4: Simplify right side
    10,100.34x = 53,429,311.82
  5. Step 5: Solve for x
    x = 53,429,311.82/10,100.34
  6. Step 6: Final answer
    x = 5,289.85

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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.