Home / 8,635.41-11,913.12-5,446.19

Finding the Fourth Proportional to 8,635.41, 11,913.12 and 5,446.19

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Solution

The fourth proportional to 8,635.41, 11,913.12 and 5,446.19 is: 7,513.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.41 : 11,913.12 = 5,446.19 : x
  2. Step 2: Convert to fraction form
    8,635.41/11,913.12 = 5,446.19/x
  3. Step 3: Cross multiply
    8,635.41x = 11,913.12 × 5,446.19
  4. Step 4: Simplify right side
    8,635.41x = 64,881,055.45
  5. Step 5: Solve for x
    x = 64,881,055.45/8,635.41
  6. Step 6: Final answer
    x = 7,513.37

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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.