Home / 11,455.02-17,185.23-3,557.13

Finding the Fourth Proportional to 11,455.02, 17,185.23 and 3,557.13

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Solution

The fourth proportional to 11,455.02, 17,185.23 and 3,557.13 is: 5,336.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455.02 : 17,185.23 = 3,557.13 : x
  2. Step 2: Convert to fraction form
    11,455.02/17,185.23 = 3,557.13/x
  3. Step 3: Cross multiply
    11,455.02x = 17,185.23 × 3,557.13
  4. Step 4: Simplify right side
    11,455.02x = 61,130,114.41
  5. Step 5: Solve for x
    x = 61,130,114.41/11,455.02
  6. Step 6: Final answer
    x = 5,336.53

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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.