Home / 7,111.02-10,666.60-2,727.44

Finding the Fourth Proportional to 7,111.02, 10,666.60 and 2,727.44

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Solution

The fourth proportional to 7,111.02, 10,666.60 and 2,727.44 is: 4,091.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111.02 : 10,666.60 = 2,727.44 : x
  2. Step 2: Convert to fraction form
    7,111.02/10,666.60 = 2,727.44/x
  3. Step 3: Cross multiply
    7,111.02x = 10,666.60 × 2,727.44
  4. Step 4: Simplify right side
    7,111.02x = 29,092,511.50
  5. Step 5: Solve for x
    x = 29,092,511.50/7,111.02
  6. Step 6: Final answer
    x = 4,091.19

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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.