Home / 10,983.31-16,476.57-3,191.11

Finding the Fourth Proportional to 10,983.31, 16,476.57 and 3,191.11

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Solution

The fourth proportional to 10,983.31, 16,476.57 and 3,191.11 is: 4,787.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.31 : 16,476.57 = 3,191.11 : x
  2. Step 2: Convert to fraction form
    10,983.31/16,476.57 = 3,191.11/x
  3. Step 3: Cross multiply
    10,983.31x = 16,476.57 × 3,191.11
  4. Step 4: Simplify right side
    10,983.31x = 52,578,547.29
  5. Step 5: Solve for x
    x = 52,578,547.29/10,983.31
  6. Step 6: Final answer
    x = 4,787.13

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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.