Home / 7,922.08-10,932.48-4,778.32

Finding the Fourth Proportional to 7,922.08, 10,932.48 and 4,778.32

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Solution

The fourth proportional to 7,922.08, 10,932.48 and 4,778.32 is: 6,594.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.08 : 10,932.48 = 4,778.32 : x
  2. Step 2: Convert to fraction form
    7,922.08/10,932.48 = 4,778.32/x
  3. Step 3: Cross multiply
    7,922.08x = 10,932.48 × 4,778.32
  4. Step 4: Simplify right side
    7,922.08x = 52,238,887.83
  5. Step 5: Solve for x
    x = 52,238,887.83/7,922.08
  6. Step 6: Final answer
    x = 6,594.09

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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.