Home / 7,534.80-11,302.20-4,910.40

Finding the Fourth Proportional to 7,534.80, 11,302.20 and 4,910.40

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Solution

The fourth proportional to 7,534.80, 11,302.20 and 4,910.40 is: 7,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,534.80 : 11,302.20 = 4,910.40 : x
  2. Step 2: Convert to fraction form
    7,534.80/11,302.20 = 4,910.40/x
  3. Step 3: Cross multiply
    7,534.80x = 11,302.20 × 4,910.40
  4. Step 4: Simplify right side
    7,534.80x = 55,498,322.88
  5. Step 5: Solve for x
    x = 55,498,322.88/7,534.80
  6. Step 6: Final answer
    x = 7,365.60

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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.