Home / 11,851.84-16,356.52-6,817.71

Finding the Fourth Proportional to 11,851.84, 16,356.52 and 6,817.71

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Solution

The fourth proportional to 11,851.84, 16,356.52 and 6,817.71 is: 9,409.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,851.84 : 16,356.52 = 6,817.71 : x
  2. Step 2: Convert to fraction form
    11,851.84/16,356.52 = 6,817.71/x
  3. Step 3: Cross multiply
    11,851.84x = 16,356.52 × 6,817.71
  4. Step 4: Simplify right side
    11,851.84x = 111,514,009.97
  5. Step 5: Solve for x
    x = 111,514,009.97/11,851.84
  6. Step 6: Final answer
    x = 9,409.00

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Half scale
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Double scale
Find fourth proportional to 11,852.84, 16,357.90 and 6,818.71
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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.