Home / 10,947.17-16,422.37-4,021.13

Finding the Fourth Proportional to 10,947.17, 16,422.37 and 4,021.13

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Solution

The fourth proportional to 10,947.17, 16,422.37 and 4,021.13 is: 6,032.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,947.17 : 16,422.37 = 4,021.13 : x
  2. Step 2: Convert to fraction form
    10,947.17/16,422.37 = 4,021.13/x
  3. Step 3: Cross multiply
    10,947.17x = 16,422.37 × 4,021.13
  4. Step 4: Simplify right side
    10,947.17x = 66,036,484.68
  5. Step 5: Solve for x
    x = 66,036,484.68/10,947.17
  6. Step 6: Final answer
    x = 6,032.29

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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.