Home / 7,922.60-10,932.69-4,649.30

Finding the Fourth Proportional to 7,922.60, 10,932.69 and 4,649.30

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Solution

The fourth proportional to 7,922.60, 10,932.69 and 4,649.30 is: 6,415.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.60 : 10,932.69 = 4,649.30 : x
  2. Step 2: Convert to fraction form
    7,922.60/10,932.69 = 4,649.30/x
  3. Step 3: Cross multiply
    7,922.60x = 10,932.69 × 4,649.30
  4. Step 4: Simplify right side
    7,922.60x = 50,829,355.62
  5. Step 5: Solve for x
    x = 50,829,355.62/7,922.60
  6. Step 6: Final answer
    x = 6,415.74

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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.