Home / 10,934.97-15,090.12-6,154.89

Finding the Fourth Proportional to 10,934.97, 15,090.12 and 6,154.89

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Solution

The fourth proportional to 10,934.97, 15,090.12 and 6,154.89 is: 8,493.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.97 : 15,090.12 = 6,154.89 : x
  2. Step 2: Convert to fraction form
    10,934.97/15,090.12 = 6,154.89/x
  3. Step 3: Cross multiply
    10,934.97x = 15,090.12 × 6,154.89
  4. Step 4: Simplify right side
    10,934.97x = 92,878,028.69
  5. Step 5: Solve for x
    x = 92,878,028.69/10,934.97
  6. Step 6: Final answer
    x = 8,493.67

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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.