Home / 13,176.96-18,184.14-7,208.52

Finding the Fourth Proportional to 13,176.96, 18,184.14 and 7,208.52

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Solution

The fourth proportional to 13,176.96, 18,184.14 and 7,208.52 is: 9,947.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.96 : 18,184.14 = 7,208.52 : x
  2. Step 2: Convert to fraction form
    13,176.96/18,184.14 = 7,208.52/x
  3. Step 3: Cross multiply
    13,176.96x = 18,184.14 × 7,208.52
  4. Step 4: Simplify right side
    13,176.96x = 131,080,736.87
  5. Step 5: Solve for x
    x = 131,080,736.87/13,176.96
  6. Step 6: Final answer
    x = 9,947.72

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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.