Home / 7,434.80-11,141.40-6,333.20

Finding the Fourth Proportional to 7,434.80, 11,141.40 and 6,333.20

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Solution

The fourth proportional to 7,434.80, 11,141.40 and 6,333.20 is: 9,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.80 : 11,141.40 = 6,333.20 : x
  2. Step 2: Convert to fraction form
    7,434.80/11,141.40 = 6,333.20/x
  3. Step 3: Cross multiply
    7,434.80x = 11,141.40 × 6,333.20
  4. Step 4: Simplify right side
    7,434.80x = 70,560,714.48
  5. Step 5: Solve for x
    x = 70,560,714.48/7,434.80
  6. Step 6: Final answer
    x = 9,490.60

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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.