Home / 10,979.48-15,151.56-5,943.58

Finding the Fourth Proportional to 10,979.48, 15,151.56 and 5,943.58

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Solution

The fourth proportional to 10,979.48, 15,151.56 and 5,943.58 is: 8,202.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,979.48 : 15,151.56 = 5,943.58 : x
  2. Step 2: Convert to fraction form
    10,979.48/15,151.56 = 5,943.58/x
  3. Step 3: Cross multiply
    10,979.48x = 15,151.56 × 5,943.58
  4. Step 4: Simplify right side
    10,979.48x = 90,054,508.98
  5. Step 5: Solve for x
    x = 90,054,508.98/10,979.48
  6. Step 6: Final answer
    x = 8,202.07

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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.