Home / 6,981.35-10,463.12-3,275.40

Finding the Fourth Proportional to 6,981.35, 10,463.12 and 3,275.40

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Solution

The fourth proportional to 6,981.35, 10,463.12 and 3,275.40 is: 4,908.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.35 : 10,463.12 = 3,275.40 : x
  2. Step 2: Convert to fraction form
    6,981.35/10,463.12 = 3,275.40/x
  3. Step 3: Cross multiply
    6,981.35x = 10,463.12 × 3,275.40
  4. Step 4: Simplify right side
    6,981.35x = 34,270,886.87
  5. Step 5: Solve for x
    x = 34,270,886.87/6,981.35
  6. Step 6: Final answer
    x = 4,908.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.