Home / 13,483.17-18,601.38-8,176.05

Finding the Fourth Proportional to 13,483.17, 18,601.38 and 8,176.05

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Solution

The fourth proportional to 13,483.17, 18,601.38 and 8,176.05 is: 11,279.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483.17 : 18,601.38 = 8,176.05 : x
  2. Step 2: Convert to fraction form
    13,483.17/18,601.38 = 8,176.05/x
  3. Step 3: Cross multiply
    13,483.17x = 18,601.38 × 8,176.05
  4. Step 4: Simplify right side
    13,483.17x = 152,085,812.95
  5. Step 5: Solve for x
    x = 152,085,812.95/13,483.17
  6. Step 6: Final answer
    x = 11,279.68

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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.