Home / 8,300.74-11,446.22-5,316.70

Finding the Fourth Proportional to 8,300.74, 11,446.22 and 5,316.70

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Solution

The fourth proportional to 8,300.74, 11,446.22 and 5,316.70 is: 7,331.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,300.74 : 11,446.22 = 5,316.70 : x
  2. Step 2: Convert to fraction form
    8,300.74/11,446.22 = 5,316.70/x
  3. Step 3: Cross multiply
    8,300.74x = 11,446.22 × 5,316.70
  4. Step 4: Simplify right side
    8,300.74x = 60,856,117.87
  5. Step 5: Solve for x
    x = 60,856,117.87/8,300.74
  6. Step 6: Final answer
    x = 7,331.41

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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.