Home / 8,867.51-12,238.52-6,739.58

Finding the Fourth Proportional to 8,867.51, 12,238.52 and 6,739.58

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Solution

The fourth proportional to 8,867.51, 12,238.52 and 6,739.58 is: 9,301.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.51 : 12,238.52 = 6,739.58 : x
  2. Step 2: Convert to fraction form
    8,867.51/12,238.52 = 6,739.58/x
  3. Step 3: Cross multiply
    8,867.51x = 12,238.52 × 6,739.58
  4. Step 4: Simplify right side
    8,867.51x = 82,482,389.73
  5. Step 5: Solve for x
    x = 82,482,389.73/8,867.51
  6. Step 6: Final answer
    x = 9,301.65

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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.