Home / 10,849.49-14,972.10-6,133.78

Finding the Fourth Proportional to 10,849.49, 14,972.10 and 6,133.78

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Solution

The fourth proportional to 10,849.49, 14,972.10 and 6,133.78 is: 8,464.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,849.49 : 14,972.10 = 6,133.78 : x
  2. Step 2: Convert to fraction form
    10,849.49/14,972.10 = 6,133.78/x
  3. Step 3: Cross multiply
    10,849.49x = 14,972.10 × 6,133.78
  4. Step 4: Simplify right side
    10,849.49x = 91,835,567.54
  5. Step 5: Solve for x
    x = 91,835,567.54/10,849.49
  6. Step 6: Final answer
    x = 8,464.51

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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.