Home / 7,512.12-10,365.82-4,154.48

Finding the Fourth Proportional to 7,512.12, 10,365.82 and 4,154.48

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Solution

The fourth proportional to 7,512.12, 10,365.82 and 4,154.48 is: 5,732.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.12 : 10,365.82 = 4,154.48 : x
  2. Step 2: Convert to fraction form
    7,512.12/10,365.82 = 4,154.48/x
  3. Step 3: Cross multiply
    7,512.12x = 10,365.82 × 4,154.48
  4. Step 4: Simplify right side
    7,512.12x = 43,064,543.90
  5. Step 5: Solve for x
    x = 43,064,543.90/7,512.12
  6. Step 6: Final answer
    x = 5,732.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.