Home / 12,415.06-17,132.63-9,242.53

Finding the Fourth Proportional to 12,415.06, 17,132.63 and 9,242.53

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Solution

The fourth proportional to 12,415.06, 17,132.63 and 9,242.53 is: 12,754.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415.06 : 17,132.63 = 9,242.53 : x
  2. Step 2: Convert to fraction form
    12,415.06/17,132.63 = 9,242.53/x
  3. Step 3: Cross multiply
    12,415.06x = 17,132.63 × 9,242.53
  4. Step 4: Simplify right side
    12,415.06x = 158,348,714.88
  5. Step 5: Solve for x
    x = 158,348,714.88/12,415.06
  6. Step 6: Final answer
    x = 12,754.57

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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.