Home / 9,110.80-13,656.44-3,848.72

Finding the Fourth Proportional to 9,110.80, 13,656.44 and 3,848.72

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Solution

The fourth proportional to 9,110.80, 13,656.44 and 3,848.72 is: 5,768.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.80 : 13,656.44 = 3,848.72 : x
  2. Step 2: Convert to fraction form
    9,110.80/13,656.44 = 3,848.72/x
  3. Step 3: Cross multiply
    9,110.80x = 13,656.44 × 3,848.72
  4. Step 4: Simplify right side
    9,110.80x = 52,559,813.76
  5. Step 5: Solve for x
    x = 52,559,813.76/9,110.80
  6. Step 6: Final answer
    x = 5,768.96

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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.