Home / 10,256.50-15,304.25-9,629.56

Finding the Fourth Proportional to 10,256.50, 15,304.25 and 9,629.56

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Solution

The fourth proportional to 10,256.50, 15,304.25 and 9,629.56 is: 14,368.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,256.50 : 15,304.25 = 9,629.56 : x
  2. Step 2: Convert to fraction form
    10,256.50/15,304.25 = 9,629.56/x
  3. Step 3: Cross multiply
    10,256.50x = 15,304.25 × 9,629.56
  4. Step 4: Simplify right side
    10,256.50x = 147,373,107.22
  5. Step 5: Solve for x
    x = 147,373,107.22/10,256.50
  6. Step 6: Final answer
    x = 14,368.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.