Home / 10,946.80-15,108.15-6,231.52

Finding the Fourth Proportional to 10,946.80, 15,108.15 and 6,231.52

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Solution

The fourth proportional to 10,946.80, 15,108.15 and 6,231.52 is: 8,600.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,946.80 : 15,108.15 = 6,231.52 : x
  2. Step 2: Convert to fraction form
    10,946.80/15,108.15 = 6,231.52/x
  3. Step 3: Cross multiply
    10,946.80x = 15,108.15 × 6,231.52
  4. Step 4: Simplify right side
    10,946.80x = 94,146,738.89
  5. Step 5: Solve for x
    x = 94,146,738.89/10,946.80
  6. Step 6: Final answer
    x = 8,600.39

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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.