Home / 8,386.61-11,572.60-5,029.57

Finding the Fourth Proportional to 8,386.61, 11,572.60 and 5,029.57

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Solution

The fourth proportional to 8,386.61, 11,572.60 and 5,029.57 is: 6,940.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386.61 : 11,572.60 = 5,029.57 : x
  2. Step 2: Convert to fraction form
    8,386.61/11,572.60 = 5,029.57/x
  3. Step 3: Cross multiply
    8,386.61x = 11,572.60 × 5,029.57
  4. Step 4: Simplify right side
    8,386.61x = 58,205,201.78
  5. Step 5: Solve for x
    x = 58,205,201.78/8,386.61
  6. Step 6: Final answer
    x = 6,940.25

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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.