Home / 12,440.72-18,655.60-6,595.96

Finding the Fourth Proportional to 12,440.72, 18,655.60 and 6,595.96

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Solution

The fourth proportional to 12,440.72, 18,655.60 and 6,595.96 is: 9,891.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440.72 : 18,655.60 = 6,595.96 : x
  2. Step 2: Convert to fraction form
    12,440.72/18,655.60 = 6,595.96/x
  3. Step 3: Cross multiply
    12,440.72x = 18,655.60 × 6,595.96
  4. Step 4: Simplify right side
    12,440.72x = 123,051,591.38
  5. Step 5: Solve for x
    x = 123,051,591.38/12,440.72
  6. Step 6: Final answer
    x = 9,891.03

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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.