Home / 8,886.44-12,260.58-5,159.72

Finding the Fourth Proportional to 8,886.44, 12,260.58 and 5,159.72

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Solution

The fourth proportional to 8,886.44, 12,260.58 and 5,159.72 is: 7,118.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.44 : 12,260.58 = 5,159.72 : x
  2. Step 2: Convert to fraction form
    8,886.44/12,260.58 = 5,159.72/x
  3. Step 3: Cross multiply
    8,886.44x = 12,260.58 × 5,159.72
  4. Step 4: Simplify right side
    8,886.44x = 63,261,159.84
  5. Step 5: Solve for x
    x = 63,261,159.84/8,886.44
  6. Step 6: Final answer
    x = 7,118.84

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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.