Home / 10,190.08-15,290.85-7,962.67

Finding the Fourth Proportional to 10,190.08, 15,290.85 and 7,962.67

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Solution

The fourth proportional to 10,190.08, 15,290.85 and 7,962.67 is: 11,948.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.08 : 15,290.85 = 7,962.67 : x
  2. Step 2: Convert to fraction form
    10,190.08/15,290.85 = 7,962.67/x
  3. Step 3: Cross multiply
    10,190.08x = 15,290.85 × 7,962.67
  4. Step 4: Simplify right side
    10,190.08x = 121,755,992.57
  5. Step 5: Solve for x
    x = 121,755,992.57/10,190.08
  6. Step 6: Final answer
    x = 11,948.48

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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.