Home / 11,275.90-16,913.49-5,357.04

Finding the Fourth Proportional to 11,275.90, 16,913.49 and 5,357.04

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Solution

The fourth proportional to 11,275.90, 16,913.49 and 5,357.04 is: 8,035.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.90 : 16,913.49 = 5,357.04 : x
  2. Step 2: Convert to fraction form
    11,275.90/16,913.49 = 5,357.04/x
  3. Step 3: Cross multiply
    11,275.90x = 16,913.49 × 5,357.04
  4. Step 4: Simplify right side
    11,275.90x = 90,606,242.47
  5. Step 5: Solve for x
    x = 90,606,242.47/11,275.90
  6. Step 6: Final answer
    x = 8,035.39

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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.