Home / 13,176.71-18,184.24-7,208.70

Finding the Fourth Proportional to 13,176.71, 18,184.24 and 7,208.70

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Solution

The fourth proportional to 13,176.71, 18,184.24 and 7,208.70 is: 9,948.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.71 : 18,184.24 = 7,208.70 : x
  2. Step 2: Convert to fraction form
    13,176.71/18,184.24 = 7,208.70/x
  3. Step 3: Cross multiply
    13,176.71x = 18,184.24 × 7,208.70
  4. Step 4: Simplify right side
    13,176.71x = 131,084,773.99
  5. Step 5: Solve for x
    x = 131,084,773.99/13,176.71
  6. Step 6: Final answer
    x = 9,948.22

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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.