Home / 7,429.63-11,144.49-3,047.53

Finding the Fourth Proportional to 7,429.63, 11,144.49 and 3,047.53

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Solution

The fourth proportional to 7,429.63, 11,144.49 and 3,047.53 is: 4,571.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.63 : 11,144.49 = 3,047.53 : x
  2. Step 2: Convert to fraction form
    7,429.63/11,144.49 = 3,047.53/x
  3. Step 3: Cross multiply
    7,429.63x = 11,144.49 × 3,047.53
  4. Step 4: Simplify right side
    7,429.63x = 33,963,167.61
  5. Step 5: Solve for x
    x = 33,963,167.61/7,429.63
  6. Step 6: Final answer
    x = 4,571.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.