Home / 7,971.52-11,001.12-4,435.04

Finding the Fourth Proportional to 7,971.52, 11,001.12 and 4,435.04

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Solution

The fourth proportional to 7,971.52, 11,001.12 and 4,435.04 is: 6,120.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971.52 : 11,001.12 = 4,435.04 : x
  2. Step 2: Convert to fraction form
    7,971.52/11,001.12 = 4,435.04/x
  3. Step 3: Cross multiply
    7,971.52x = 11,001.12 × 4,435.04
  4. Step 4: Simplify right side
    7,971.52x = 48,790,407.24
  5. Step 5: Solve for x
    x = 48,790,407.24/7,971.52
  6. Step 6: Final answer
    x = 6,120.59

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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.