Home / 7,800.13-10,763.97-4,613.59

Finding the Fourth Proportional to 7,800.13, 10,763.97 and 4,613.59

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Solution

The fourth proportional to 7,800.13, 10,763.97 and 4,613.59 is: 6,366.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800.13 : 10,763.97 = 4,613.59 : x
  2. Step 2: Convert to fraction form
    7,800.13/10,763.97 = 4,613.59/x
  3. Step 3: Cross multiply
    7,800.13x = 10,763.97 × 4,613.59
  4. Step 4: Simplify right side
    7,800.13x = 49,660,490.53
  5. Step 5: Solve for x
    x = 49,660,490.53/7,800.13
  6. Step 6: Final answer
    x = 6,366.63

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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.