Home / 9,390.68-12,961.73-5,616.44

Finding the Fourth Proportional to 9,390.68, 12,961.73 and 5,616.44

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Solution

The fourth proportional to 9,390.68, 12,961.73 and 5,616.44 is: 7,752.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,390.68 : 12,961.73 = 5,616.44 : x
  2. Step 2: Convert to fraction form
    9,390.68/12,961.73 = 5,616.44/x
  3. Step 3: Cross multiply
    9,390.68x = 12,961.73 × 5,616.44
  4. Step 4: Simplify right side
    9,390.68x = 72,798,750.76
  5. Step 5: Solve for x
    x = 72,798,750.76/9,390.68
  6. Step 6: Final answer
    x = 7,752.23

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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.