Home / 11,803.20-17,704.80-6,254.40

Finding the Fourth Proportional to 11,803.20, 17,704.80 and 6,254.40

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Solution

The fourth proportional to 11,803.20, 17,704.80 and 6,254.40 is: 9,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,803.20 : 17,704.80 = 6,254.40 : x
  2. Step 2: Convert to fraction form
    11,803.20/17,704.80 = 6,254.40/x
  3. Step 3: Cross multiply
    11,803.20x = 17,704.80 × 6,254.40
  4. Step 4: Simplify right side
    11,803.20x = 110,732,901.12
  5. Step 5: Solve for x
    x = 110,732,901.12/11,803.20
  6. Step 6: Final answer
    x = 9,381.60

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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.