Home / 11,580.03-17,370.18-7,656.39

Finding the Fourth Proportional to 11,580.03, 17,370.18 and 7,656.39

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Solution

The fourth proportional to 11,580.03, 17,370.18 and 7,656.39 is: 11,484.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,580.03 : 17,370.18 = 7,656.39 : x
  2. Step 2: Convert to fraction form
    11,580.03/17,370.18 = 7,656.39/x
  3. Step 3: Cross multiply
    11,580.03x = 17,370.18 × 7,656.39
  4. Step 4: Simplify right side
    11,580.03x = 132,992,872.45
  5. Step 5: Solve for x
    x = 132,992,872.45/11,580.03
  6. Step 6: Final answer
    x = 11,484.67

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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.