Home / 7,971.45-11,003.10-5,452.59

Finding the Fourth Proportional to 7,971.45, 11,003.10 and 5,452.59

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Solution

The fourth proportional to 7,971.45, 11,003.10 and 5,452.59 is: 7,526.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971.45 : 11,003.10 = 5,452.59 : x
  2. Step 2: Convert to fraction form
    7,971.45/11,003.10 = 5,452.59/x
  3. Step 3: Cross multiply
    7,971.45x = 11,003.10 × 5,452.59
  4. Step 4: Simplify right side
    7,971.45x = 59,995,393.03
  5. Step 5: Solve for x
    x = 59,995,393.03/7,971.45
  6. Step 6: Final answer
    x = 7,526.28

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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.