Home / 7,646.82-10,551.92-4,289.18

Finding the Fourth Proportional to 7,646.82, 10,551.92 and 4,289.18

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Solution

The fourth proportional to 7,646.82, 10,551.92 and 4,289.18 is: 5,918.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,646.82 : 10,551.92 = 4,289.18 : x
  2. Step 2: Convert to fraction form
    7,646.82/10,551.92 = 4,289.18/x
  3. Step 3: Cross multiply
    7,646.82x = 10,551.92 × 4,289.18
  4. Step 4: Simplify right side
    7,646.82x = 45,259,084.23
  5. Step 5: Solve for x
    x = 45,259,084.23/7,646.82
  6. Step 6: Final answer
    x = 5,918.68

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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.