Home / 8,352.06-11,499.62-7,090.49

Finding the Fourth Proportional to 8,352.06, 11,499.62 and 7,090.49

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Solution

The fourth proportional to 8,352.06, 11,499.62 and 7,090.49 is: 9,762.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.06 : 11,499.62 = 7,090.49 : x
  2. Step 2: Convert to fraction form
    8,352.06/11,499.62 = 7,090.49/x
  3. Step 3: Cross multiply
    8,352.06x = 11,499.62 × 7,090.49
  4. Step 4: Simplify right side
    8,352.06x = 81,537,847.66
  5. Step 5: Solve for x
    x = 81,537,847.66/8,352.06
  6. Step 6: Final answer
    x = 9,762.60

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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.