Home / 8,292.80-12,443.52-5,370.32

Finding the Fourth Proportional to 8,292.80, 12,443.52 and 5,370.32

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Solution

The fourth proportional to 8,292.80, 12,443.52 and 5,370.32 is: 8,058.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,292.80 : 12,443.52 = 5,370.32 : x
  2. Step 2: Convert to fraction form
    8,292.80/12,443.52 = 5,370.32/x
  3. Step 3: Cross multiply
    8,292.80x = 12,443.52 × 5,370.32
  4. Step 4: Simplify right side
    8,292.80x = 66,825,684.33
  5. Step 5: Solve for x
    x = 66,825,684.33/8,292.80
  6. Step 6: Final answer
    x = 8,058.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.