Home / 10,495.08-15,728.22-10,179.72

Finding the Fourth Proportional to 10,495.08, 15,728.22 and 10,179.72

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Solution

The fourth proportional to 10,495.08, 15,728.22 and 10,179.72 is: 15,255.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,495.08 : 15,728.22 = 10,179.72 : x
  2. Step 2: Convert to fraction form
    10,495.08/15,728.22 = 10,179.72/x
  3. Step 3: Cross multiply
    10,495.08x = 15,728.22 × 10,179.72
  4. Step 4: Simplify right side
    10,495.08x = 160,108,875.70
  5. Step 5: Solve for x
    x = 160,108,875.70/10,495.08
  6. Step 6: Final answer
    x = 15,255.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.