Home / 7,834.95-10,812.06-4,249.71

Finding the Fourth Proportional to 7,834.95, 10,812.06 and 4,249.71

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Solution

The fourth proportional to 7,834.95, 10,812.06 and 4,249.71 is: 5,864.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.95 : 10,812.06 = 4,249.71 : x
  2. Step 2: Convert to fraction form
    7,834.95/10,812.06 = 4,249.71/x
  3. Step 3: Cross multiply
    7,834.95x = 10,812.06 × 4,249.71
  4. Step 4: Simplify right side
    7,834.95x = 45,948,119.50
  5. Step 5: Solve for x
    x = 45,948,119.50/7,834.95
  6. Step 6: Final answer
    x = 5,864.51

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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.