Home / 11,851.41-16,341.70-9,691.25

Finding the Fourth Proportional to 11,851.41, 16,341.70 and 9,691.25

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Solution

The fourth proportional to 11,851.41, 16,341.70 and 9,691.25 is: 13,363.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,851.41 : 16,341.70 = 9,691.25 : x
  2. Step 2: Convert to fraction form
    11,851.41/16,341.70 = 9,691.25/x
  3. Step 3: Cross multiply
    11,851.41x = 16,341.70 × 9,691.25
  4. Step 4: Simplify right side
    11,851.41x = 158,371,412.36
  5. Step 5: Solve for x
    x = 158,371,412.36/11,851.41
  6. Step 6: Final answer
    x = 13,363.08

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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.