Home / 12,588.22-17,365.20-7,550.02

Finding the Fourth Proportional to 12,588.22, 17,365.20 and 7,550.02

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Solution

The fourth proportional to 12,588.22, 17,365.20 and 7,550.02 is: 10,415.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588.22 : 17,365.20 = 7,550.02 : x
  2. Step 2: Convert to fraction form
    12,588.22/17,365.20 = 7,550.02/x
  3. Step 3: Cross multiply
    12,588.22x = 17,365.20 × 7,550.02
  4. Step 4: Simplify right side
    12,588.22x = 131,107,607.30
  5. Step 5: Solve for x
    x = 131,107,607.30/12,588.22
  6. Step 6: Final answer
    x = 10,415.10

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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.