Home / 12,426.13-17,148.05-6,837.13

Finding the Fourth Proportional to 12,426.13, 17,148.05 and 6,837.13

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Solution

The fourth proportional to 12,426.13, 17,148.05 and 6,837.13 is: 9,435.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426.13 : 17,148.05 = 6,837.13 : x
  2. Step 2: Convert to fraction form
    12,426.13/17,148.05 = 6,837.13/x
  3. Step 3: Cross multiply
    12,426.13x = 17,148.05 × 6,837.13
  4. Step 4: Simplify right side
    12,426.13x = 117,243,378.45
  5. Step 5: Solve for x
    x = 117,243,378.45/12,426.13
  6. Step 6: Final answer
    x = 9,435.23

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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.