Home / 12,442.68-17,170.38-6,853.32

Finding the Fourth Proportional to 12,442.68, 17,170.38 and 6,853.32

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Solution

The fourth proportional to 12,442.68, 17,170.38 and 6,853.32 is: 9,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,442.68 : 17,170.38 = 6,853.32 : x
  2. Step 2: Convert to fraction form
    12,442.68/17,170.38 = 6,853.32/x
  3. Step 3: Cross multiply
    12,442.68x = 17,170.38 × 6,853.32
  4. Step 4: Simplify right side
    12,442.68x = 117,674,108.66
  5. Step 5: Solve for x
    x = 117,674,108.66/12,442.68
  6. Step 6: Final answer
    x = 9,457.30

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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.