Home / 7,348.71-10,111.19-6,350.79

Finding the Fourth Proportional to 7,348.71, 10,111.19 and 6,350.79

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Solution

The fourth proportional to 7,348.71, 10,111.19 and 6,350.79 is: 8,738.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,348.71 : 10,111.19 = 6,350.79 : x
  2. Step 2: Convert to fraction form
    7,348.71/10,111.19 = 6,350.79/x
  3. Step 3: Cross multiply
    7,348.71x = 10,111.19 × 6,350.79
  4. Step 4: Simplify right side
    7,348.71x = 64,214,012.59
  5. Step 5: Solve for x
    x = 64,214,012.59/7,348.71
  6. Step 6: Final answer
    x = 8,738.13

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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.