Home / 10,117.08-15,194.52-8,272.08

Finding the Fourth Proportional to 10,117.08, 15,194.52 and 8,272.08

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Solution

The fourth proportional to 10,117.08, 15,194.52 and 8,272.08 is: 12,423.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,117.08 : 15,194.52 = 8,272.08 : x
  2. Step 2: Convert to fraction form
    10,117.08/15,194.52 = 8,272.08/x
  3. Step 3: Cross multiply
    10,117.08x = 15,194.52 × 8,272.08
  4. Step 4: Simplify right side
    10,117.08x = 125,690,285.00
  5. Step 5: Solve for x
    x = 125,690,285.00/10,117.08
  6. Step 6: Final answer
    x = 12,423.57

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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.