Home / 7,451.66-11,160.48-3,558.80

Finding the Fourth Proportional to 7,451.66, 11,160.48 and 3,558.80

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Solution

The fourth proportional to 7,451.66, 11,160.48 and 3,558.80 is: 5,330.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.66 : 11,160.48 = 3,558.80 : x
  2. Step 2: Convert to fraction form
    7,451.66/11,160.48 = 3,558.80/x
  3. Step 3: Cross multiply
    7,451.66x = 11,160.48 × 3,558.80
  4. Step 4: Simplify right side
    7,451.66x = 39,717,916.22
  5. Step 5: Solve for x
    x = 39,717,916.22/7,451.66
  6. Step 6: Final answer
    x = 5,330.08

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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.