Home / 7,848.39-11,772.60-3,950.13

Finding the Fourth Proportional to 7,848.39, 11,772.60 and 3,950.13

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Solution

The fourth proportional to 7,848.39, 11,772.60 and 3,950.13 is: 5,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.39 : 11,772.60 = 3,950.13 : x
  2. Step 2: Convert to fraction form
    7,848.39/11,772.60 = 3,950.13/x
  3. Step 3: Cross multiply
    7,848.39x = 11,772.60 × 3,950.13
  4. Step 4: Simplify right side
    7,848.39x = 46,503,300.44
  5. Step 5: Solve for x
    x = 46,503,300.44/7,848.39
  6. Step 6: Final answer
    x = 5,925.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.