Home / 9,947.10-13,725.27-6,171.18

Finding the Fourth Proportional to 9,947.10, 13,725.27 and 6,171.18

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Solution

The fourth proportional to 9,947.10, 13,725.27 and 6,171.18 is: 8,515.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,947.10 : 13,725.27 = 6,171.18 : x
  2. Step 2: Convert to fraction form
    9,947.10/13,725.27 = 6,171.18/x
  3. Step 3: Cross multiply
    9,947.10x = 13,725.27 × 6,171.18
  4. Step 4: Simplify right side
    9,947.10x = 84,701,111.72
  5. Step 5: Solve for x
    x = 84,701,111.72/9,947.10
  6. Step 6: Final answer
    x = 8,515.16

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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.