Home / 12,475.42-17,216.19-6,810.12

Finding the Fourth Proportional to 12,475.42, 17,216.19 and 6,810.12

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Solution

The fourth proportional to 12,475.42, 17,216.19 and 6,810.12 is: 9,398.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.42 : 17,216.19 = 6,810.12 : x
  2. Step 2: Convert to fraction form
    12,475.42/17,216.19 = 6,810.12/x
  3. Step 3: Cross multiply
    12,475.42x = 17,216.19 × 6,810.12
  4. Step 4: Simplify right side
    12,475.42x = 117,244,319.84
  5. Step 5: Solve for x
    x = 117,244,319.84/12,475.42
  6. Step 6: Final answer
    x = 9,398.03

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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.