Home / 11,151.72-16,656.95-10,511.96

Finding the Fourth Proportional to 11,151.72, 16,656.95 and 10,511.96

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Solution

The fourth proportional to 11,151.72, 16,656.95 and 10,511.96 is: 15,701.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,151.72 : 16,656.95 = 10,511.96 : x
  2. Step 2: Convert to fraction form
    11,151.72/16,656.95 = 10,511.96/x
  3. Step 3: Cross multiply
    11,151.72x = 16,656.95 × 10,511.96
  4. Step 4: Simplify right side
    11,151.72x = 175,097,192.12
  5. Step 5: Solve for x
    x = 175,097,192.12/11,151.72
  6. Step 6: Final answer
    x = 15,701.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.