Home / 8,330.70-11,498.31-5,498.58

Finding the Fourth Proportional to 8,330.70, 11,498.31 and 5,498.58

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Solution

The fourth proportional to 8,330.70, 11,498.31 and 5,498.58 is: 7,589.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.70 : 11,498.31 = 5,498.58 : x
  2. Step 2: Convert to fraction form
    8,330.70/11,498.31 = 5,498.58/x
  3. Step 3: Cross multiply
    8,330.70x = 11,498.31 × 5,498.58
  4. Step 4: Simplify right side
    8,330.70x = 63,224,377.40
  5. Step 5: Solve for x
    x = 63,224,377.40/8,330.70
  6. Step 6: Final answer
    x = 7,589.32

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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.