Home / 7,967.07-10,999.53-5,135.85

Finding the Fourth Proportional to 7,967.07, 10,999.53 and 5,135.85

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Solution

The fourth proportional to 7,967.07, 10,999.53 and 5,135.85 is: 7,090.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.07 : 10,999.53 = 5,135.85 : x
  2. Step 2: Convert to fraction form
    7,967.07/10,999.53 = 5,135.85/x
  3. Step 3: Cross multiply
    7,967.07x = 10,999.53 × 5,135.85
  4. Step 4: Simplify right side
    7,967.07x = 56,491,936.15
  5. Step 5: Solve for x
    x = 56,491,936.15/7,967.07
  6. Step 6: Final answer
    x = 7,090.68

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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.