Home / 11,061.64-16,579.50-5,216.68

Finding the Fourth Proportional to 11,061.64, 16,579.50 and 5,216.68

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Solution

The fourth proportional to 11,061.64, 16,579.50 and 5,216.68 is: 7,818.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,061.64 : 16,579.50 = 5,216.68 : x
  2. Step 2: Convert to fraction form
    11,061.64/16,579.50 = 5,216.68/x
  3. Step 3: Cross multiply
    11,061.64x = 16,579.50 × 5,216.68
  4. Step 4: Simplify right side
    11,061.64x = 86,489,946.06
  5. Step 5: Solve for x
    x = 86,489,946.06/11,061.64
  6. Step 6: Final answer
    x = 7,818.91

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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.