Home / 8,112.51-11,195.28-4,386.51

Finding the Fourth Proportional to 8,112.51, 11,195.28 and 4,386.51

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Solution

The fourth proportional to 8,112.51, 11,195.28 and 4,386.51 is: 6,053.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.51 : 11,195.28 = 4,386.51 : x
  2. Step 2: Convert to fraction form
    8,112.51/11,195.28 = 4,386.51/x
  3. Step 3: Cross multiply
    8,112.51x = 11,195.28 × 4,386.51
  4. Step 4: Simplify right side
    8,112.51x = 49,108,207.67
  5. Step 5: Solve for x
    x = 49,108,207.67/8,112.51
  6. Step 6: Final answer
    x = 6,053.39

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Half scale
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Double scale
Find fourth proportional to 8,113.51, 11,196.66 and 4,387.51
Similar ratio
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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.