Home / 8,377.73-11,558.87-5,395.31

Finding the Fourth Proportional to 8,377.73, 11,558.87 and 5,395.31

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Solution

The fourth proportional to 8,377.73, 11,558.87 and 5,395.31 is: 7,443.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,377.73 : 11,558.87 = 5,395.31 : x
  2. Step 2: Convert to fraction form
    8,377.73/11,558.87 = 5,395.31/x
  3. Step 3: Cross multiply
    8,377.73x = 11,558.87 × 5,395.31
  4. Step 4: Simplify right side
    8,377.73x = 62,363,665.71
  5. Step 5: Solve for x
    x = 62,363,665.71/8,377.73
  6. Step 6: Final answer
    x = 7,443.98

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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.