Home / 12,475.23-17,216.13-7,098.54

Finding the Fourth Proportional to 12,475.23, 17,216.13 and 7,098.54

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Solution

The fourth proportional to 12,475.23, 17,216.13 and 7,098.54 is: 9,796.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.23 : 17,216.13 = 7,098.54 : x
  2. Step 2: Convert to fraction form
    12,475.23/17,216.13 = 7,098.54/x
  3. Step 3: Cross multiply
    12,475.23x = 17,216.13 × 7,098.54
  4. Step 4: Simplify right side
    12,475.23x = 122,209,387.45
  5. Step 5: Solve for x
    x = 122,209,387.45/12,475.23
  6. Step 6: Final answer
    x = 9,796.16

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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.