Home / 8,422.24-11,625.24-4,886.32

Finding the Fourth Proportional to 8,422.24, 11,625.24 and 4,886.32

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Solution

The fourth proportional to 8,422.24, 11,625.24 and 4,886.32 is: 6,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422.24 : 11,625.24 = 4,886.32 : x
  2. Step 2: Convert to fraction form
    8,422.24/11,625.24 = 4,886.32/x
  3. Step 3: Cross multiply
    8,422.24x = 11,625.24 × 4,886.32
  4. Step 4: Simplify right side
    8,422.24x = 56,804,642.72
  5. Step 5: Solve for x
    x = 56,804,642.72/8,422.24
  6. Step 6: Final answer
    x = 6,744.60

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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.