Home / 6,979.15-9,628.36-4,460.59

Finding the Fourth Proportional to 6,979.15, 9,628.36 and 4,460.59

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Solution

The fourth proportional to 6,979.15, 9,628.36 and 4,460.59 is: 6,153.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.15 : 9,628.36 = 4,460.59 : x
  2. Step 2: Convert to fraction form
    6,979.15/9,628.36 = 4,460.59/x
  3. Step 3: Cross multiply
    6,979.15x = 9,628.36 × 4,460.59
  4. Step 4: Simplify right side
    6,979.15x = 42,948,166.33
  5. Step 5: Solve for x
    x = 42,948,166.33/6,979.15
  6. Step 6: Final answer
    x = 6,153.78

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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.