Home / 10,813.50-14,922.78-6,097.78

Finding the Fourth Proportional to 10,813.50, 14,922.78 and 6,097.78

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Solution

The fourth proportional to 10,813.50, 14,922.78 and 6,097.78 is: 8,415.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,813.50 : 14,922.78 = 6,097.78 : x
  2. Step 2: Convert to fraction form
    10,813.50/14,922.78 = 6,097.78/x
  3. Step 3: Cross multiply
    10,813.50x = 14,922.78 × 6,097.78
  4. Step 4: Simplify right side
    10,813.50x = 90,995,859.52
  5. Step 5: Solve for x
    x = 90,995,859.52/10,813.50
  6. Step 6: Final answer
    x = 8,415.02

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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.