Home / 7,971.35-11,000.60-4,434.56

Finding the Fourth Proportional to 7,971.35, 11,000.60 and 4,434.56

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Solution

The fourth proportional to 7,971.35, 11,000.60 and 4,434.56 is: 6,119.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971.35 : 11,000.60 = 4,434.56 : x
  2. Step 2: Convert to fraction form
    7,971.35/11,000.60 = 4,434.56/x
  3. Step 3: Cross multiply
    7,971.35x = 11,000.60 × 4,434.56
  4. Step 4: Simplify right side
    7,971.35x = 48,782,820.74
  5. Step 5: Solve for x
    x = 48,782,820.74/7,971.35
  6. Step 6: Final answer
    x = 6,119.77

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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.