Home / 12,349.47-17,042.15-6,684.08

Finding the Fourth Proportional to 12,349.47, 17,042.15 and 6,684.08

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Solution

The fourth proportional to 12,349.47, 17,042.15 and 6,684.08 is: 9,223.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349.47 : 17,042.15 = 6,684.08 : x
  2. Step 2: Convert to fraction form
    12,349.47/17,042.15 = 6,684.08/x
  3. Step 3: Cross multiply
    12,349.47x = 17,042.15 × 6,684.08
  4. Step 4: Simplify right side
    12,349.47x = 113,910,975.34
  5. Step 5: Solve for x
    x = 113,910,975.34/12,349.47
  6. Step 6: Final answer
    x = 9,223.96

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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.