Home / 8,745.27-12,068.95-5,162.33

Finding the Fourth Proportional to 8,745.27, 12,068.95 and 5,162.33

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Solution

The fourth proportional to 8,745.27, 12,068.95 and 5,162.33 is: 7,124.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.27 : 12,068.95 = 5,162.33 : x
  2. Step 2: Convert to fraction form
    8,745.27/12,068.95 = 5,162.33/x
  3. Step 3: Cross multiply
    8,745.27x = 12,068.95 × 5,162.33
  4. Step 4: Simplify right side
    8,745.27x = 62,303,929.60
  5. Step 5: Solve for x
    x = 62,303,929.60/8,745.27
  6. Step 6: Final answer
    x = 7,124.30

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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.