Home / 11,947.40-16,432.60-9,584.36

Finding the Fourth Proportional to 11,947.40, 16,432.60 and 9,584.36

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Solution

The fourth proportional to 11,947.40, 16,432.60 and 9,584.36 is: 13,182.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,947.40 : 16,432.60 = 9,584.36 : x
  2. Step 2: Convert to fraction form
    11,947.40/16,432.60 = 9,584.36/x
  3. Step 3: Cross multiply
    11,947.40x = 16,432.60 × 9,584.36
  4. Step 4: Simplify right side
    11,947.40x = 157,495,954.14
  5. Step 5: Solve for x
    x = 157,495,954.14/11,947.40
  6. Step 6: Final answer
    x = 13,182.45

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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.