Home / 9,151.81-12,629.50-4,960.06

Finding the Fourth Proportional to 9,151.81, 12,629.50 and 4,960.06

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Solution

The fourth proportional to 9,151.81, 12,629.50 and 4,960.06 is: 6,844.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151.81 : 12,629.50 = 4,960.06 : x
  2. Step 2: Convert to fraction form
    9,151.81/12,629.50 = 4,960.06/x
  3. Step 3: Cross multiply
    9,151.81x = 12,629.50 × 4,960.06
  4. Step 4: Simplify right side
    9,151.81x = 62,643,033.80
  5. Step 5: Solve for x
    x = 62,643,033.80/9,151.81
  6. Step 6: Final answer
    x = 6,844.88

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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.