Home / 7,934.11-10,947.49-4,790.47

Finding the Fourth Proportional to 7,934.11, 10,947.49 and 4,790.47

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Solution

The fourth proportional to 7,934.11, 10,947.49 and 4,790.47 is: 6,609.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.11 : 10,947.49 = 4,790.47 : x
  2. Step 2: Convert to fraction form
    7,934.11/10,947.49 = 4,790.47/x
  3. Step 3: Cross multiply
    7,934.11x = 10,947.49 × 4,790.47
  4. Step 4: Simplify right side
    7,934.11x = 52,443,622.42
  5. Step 5: Solve for x
    x = 52,443,622.42/7,934.11
  6. Step 6: Final answer
    x = 6,609.89

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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.