Home / 7,521.52-11,259.20-6,777.96

Finding the Fourth Proportional to 7,521.52, 11,259.20 and 6,777.96

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Solution

The fourth proportional to 7,521.52, 11,259.20 and 6,777.96 is: 10,146.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.52 : 11,259.20 = 6,777.96 : x
  2. Step 2: Convert to fraction form
    7,521.52/11,259.20 = 6,777.96/x
  3. Step 3: Cross multiply
    7,521.52x = 11,259.20 × 6,777.96
  4. Step 4: Simplify right side
    7,521.52x = 76,314,407.23
  5. Step 5: Solve for x
    x = 76,314,407.23/7,521.52
  6. Step 6: Final answer
    x = 10,146.14

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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.