Home / 12,475.02-17,195.31-11,775.18

Finding the Fourth Proportional to 12,475.02, 17,195.31 and 11,775.18

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Solution

The fourth proportional to 12,475.02, 17,195.31 and 11,775.18 is: 16,230.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.02 : 17,195.31 = 11,775.18 : x
  2. Step 2: Convert to fraction form
    12,475.02/17,195.31 = 11,775.18/x
  3. Step 3: Cross multiply
    12,475.02x = 17,195.31 × 11,775.18
  4. Step 4: Simplify right side
    12,475.02x = 202,477,870.41
  5. Step 5: Solve for x
    x = 202,477,870.41/12,475.02
  6. Step 6: Final answer
    x = 16,230.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.