Home / 9,345.94-14,021.22-2,772.13

Finding the Fourth Proportional to 9,345.94, 14,021.22 and 2,772.13

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Solution

The fourth proportional to 9,345.94, 14,021.22 and 2,772.13 is: 4,158.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,345.94 : 14,021.22 = 2,772.13 : x
  2. Step 2: Convert to fraction form
    9,345.94/14,021.22 = 2,772.13/x
  3. Step 3: Cross multiply
    9,345.94x = 14,021.22 × 2,772.13
  4. Step 4: Simplify right side
    9,345.94x = 38,868,644.60
  5. Step 5: Solve for x
    x = 38,868,644.60/9,345.94
  6. Step 6: Final answer
    x = 4,158.88

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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.