Home / 13,176.08-18,186.02-8,073.11

Finding the Fourth Proportional to 13,176.08, 18,186.02 and 8,073.11

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Solution

The fourth proportional to 13,176.08, 18,186.02 and 8,073.11 is: 11,142.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.08 : 18,186.02 = 8,073.11 : x
  2. Step 2: Convert to fraction form
    13,176.08/18,186.02 = 8,073.11/x
  3. Step 3: Cross multiply
    13,176.08x = 18,186.02 × 8,073.11
  4. Step 4: Simplify right side
    13,176.08x = 146,817,621.88
  5. Step 5: Solve for x
    x = 146,817,621.88/13,176.08
  6. Step 6: Final answer
    x = 11,142.74

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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.