Home / 8,339.36-11,507.40-4,754.43

Finding the Fourth Proportional to 8,339.36, 11,507.40 and 4,754.43

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Solution

The fourth proportional to 8,339.36, 11,507.40 and 4,754.43 is: 6,560.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339.36 : 11,507.40 = 4,754.43 : x
  2. Step 2: Convert to fraction form
    8,339.36/11,507.40 = 4,754.43/x
  3. Step 3: Cross multiply
    8,339.36x = 11,507.40 × 4,754.43
  4. Step 4: Simplify right side
    8,339.36x = 54,711,127.78
  5. Step 5: Solve for x
    x = 54,711,127.78/8,339.36
  6. Step 6: Final answer
    x = 6,560.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.