Home / 11,300.55-15,592.79-6,519.42

Finding the Fourth Proportional to 11,300.55, 15,592.79 and 6,519.42

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Solution

The fourth proportional to 11,300.55, 15,592.79 and 6,519.42 is: 8,995.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,300.55 : 15,592.79 = 6,519.42 : x
  2. Step 2: Convert to fraction form
    11,300.55/15,592.79 = 6,519.42/x
  3. Step 3: Cross multiply
    11,300.55x = 15,592.79 × 6,519.42
  4. Step 4: Simplify right side
    11,300.55x = 101,655,914.38
  5. Step 5: Solve for x
    x = 101,655,914.38/11,300.55
  6. Step 6: Final answer
    x = 8,995.66

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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.