Home / 12,476.43-17,216.74-6,810.05

Finding the Fourth Proportional to 12,476.43, 17,216.74 and 6,810.05

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Solution

The fourth proportional to 12,476.43, 17,216.74 and 6,810.05 is: 9,397.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.43 : 17,216.74 = 6,810.05 : x
  2. Step 2: Convert to fraction form
    12,476.43/17,216.74 = 6,810.05/x
  3. Step 3: Cross multiply
    12,476.43x = 17,216.74 × 6,810.05
  4. Step 4: Simplify right side
    12,476.43x = 117,246,886.25
  5. Step 5: Solve for x
    x = 117,246,886.25/12,476.43
  6. Step 6: Final answer
    x = 9,397.47

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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.