Home / 8,195.39-11,313.50-5,547.09

Finding the Fourth Proportional to 8,195.39, 11,313.50 and 5,547.09

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Solution

The fourth proportional to 8,195.39, 11,313.50 and 5,547.09 is: 7,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.39 : 11,313.50 = 5,547.09 : x
  2. Step 2: Convert to fraction form
    8,195.39/11,313.50 = 5,547.09/x
  3. Step 3: Cross multiply
    8,195.39x = 11,313.50 × 5,547.09
  4. Step 4: Simplify right side
    8,195.39x = 62,756,974.98
  5. Step 5: Solve for x
    x = 62,756,974.98/8,195.39
  6. Step 6: Final answer
    x = 7,657.60

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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.