Home / 8,386.60-11,571.78-5,028.52

Finding the Fourth Proportional to 8,386.60, 11,571.78 and 5,028.52

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Solution

The fourth proportional to 8,386.60, 11,571.78 and 5,028.52 is: 6,938.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386.60 : 11,571.78 = 5,028.52 : x
  2. Step 2: Convert to fraction form
    8,386.60/11,571.78 = 5,028.52/x
  3. Step 3: Cross multiply
    8,386.60x = 11,571.78 × 5,028.52
  4. Step 4: Simplify right side
    8,386.60x = 58,188,927.17
  5. Step 5: Solve for x
    x = 58,188,927.17/8,386.60
  6. Step 6: Final answer
    x = 6,938.32

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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.