Home / 12,386.15-18,547.50-6,833.33

Finding the Fourth Proportional to 12,386.15, 18,547.50 and 6,833.33

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Solution

The fourth proportional to 12,386.15, 18,547.50 and 6,833.33 is: 10,232.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,386.15 : 18,547.50 = 6,833.33 : x
  2. Step 2: Convert to fraction form
    12,386.15/18,547.50 = 6,833.33/x
  3. Step 3: Cross multiply
    12,386.15x = 18,547.50 × 6,833.33
  4. Step 4: Simplify right side
    12,386.15x = 126,741,095.44
  5. Step 5: Solve for x
    x = 126,741,095.44/12,386.15
  6. Step 6: Final answer
    x = 10,232.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.