Home / 8,732.39-12,054.75-5,146.22

Finding the Fourth Proportional to 8,732.39, 12,054.75 and 5,146.22

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Solution

The fourth proportional to 8,732.39, 12,054.75 and 5,146.22 is: 7,104.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,732.39 : 12,054.75 = 5,146.22 : x
  2. Step 2: Convert to fraction form
    8,732.39/12,054.75 = 5,146.22/x
  3. Step 3: Cross multiply
    8,732.39x = 12,054.75 × 5,146.22
  4. Step 4: Simplify right side
    8,732.39x = 62,036,335.27
  5. Step 5: Solve for x
    x = 62,036,335.27/8,732.39
  6. Step 6: Final answer
    x = 7,104.17

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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.