Home / 11,943.83-17,916.15-4,547.18

Finding the Fourth Proportional to 11,943.83, 17,916.15 and 4,547.18

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Solution

The fourth proportional to 11,943.83, 17,916.15 and 4,547.18 is: 6,820.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.83 : 17,916.15 = 4,547.18 : x
  2. Step 2: Convert to fraction form
    11,943.83/17,916.15 = 4,547.18/x
  3. Step 3: Cross multiply
    11,943.83x = 17,916.15 × 4,547.18
  4. Step 4: Simplify right side
    11,943.83x = 81,467,958.96
  5. Step 5: Solve for x
    x = 81,467,958.96/11,943.83
  6. Step 6: Final answer
    x = 6,820.92

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1.5x scale

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.