Home / 9,143.84-12,618.54-4,952.12

Finding the Fourth Proportional to 9,143.84, 12,618.54 and 4,952.12

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Solution

The fourth proportional to 9,143.84, 12,618.54 and 4,952.12 is: 6,833.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.84 : 12,618.54 = 4,952.12 : x
  2. Step 2: Convert to fraction form
    9,143.84/12,618.54 = 4,952.12/x
  3. Step 3: Cross multiply
    9,143.84x = 12,618.54 × 4,952.12
  4. Step 4: Simplify right side
    9,143.84x = 62,488,524.30
  5. Step 5: Solve for x
    x = 62,488,524.30/9,143.84
  6. Step 6: Final answer
    x = 6,833.95

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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.