Home / 11,925.54-16,442.44-7,937.91

Finding the Fourth Proportional to 11,925.54, 16,442.44 and 7,937.91

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Solution

The fourth proportional to 11,925.54, 16,442.44 and 7,937.91 is: 10,944.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.54 : 16,442.44 = 7,937.91 : x
  2. Step 2: Convert to fraction form
    11,925.54/16,442.44 = 7,937.91/x
  3. Step 3: Cross multiply
    11,925.54x = 16,442.44 × 7,937.91
  4. Step 4: Simplify right side
    11,925.54x = 130,518,608.90
  5. Step 5: Solve for x
    x = 130,518,608.90/11,925.54
  6. Step 6: Final answer
    x = 10,944.46

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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.