Home / 6,887.18-10,273.40-6,222.80

Finding the Fourth Proportional to 6,887.18, 10,273.40 and 6,222.80

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Solution

The fourth proportional to 6,887.18, 10,273.40 and 6,222.80 is: 9,282.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.18 : 10,273.40 = 6,222.80 : x
  2. Step 2: Convert to fraction form
    6,887.18/10,273.40 = 6,222.80/x
  3. Step 3: Cross multiply
    6,887.18x = 10,273.40 × 6,222.80
  4. Step 4: Simplify right side
    6,887.18x = 63,929,313.52
  5. Step 5: Solve for x
    x = 63,929,313.52/6,887.18
  6. Step 6: Final answer
    x = 9,282.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.