Home / 10,731.60-16,097.40-5,482.80

Finding the Fourth Proportional to 10,731.60, 16,097.40 and 5,482.80

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Solution

The fourth proportional to 10,731.60, 16,097.40 and 5,482.80 is: 8,224.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,731.60 : 16,097.40 = 5,482.80 : x
  2. Step 2: Convert to fraction form
    10,731.60/16,097.40 = 5,482.80/x
  3. Step 3: Cross multiply
    10,731.60x = 16,097.40 × 5,482.80
  4. Step 4: Simplify right side
    10,731.60x = 88,258,824.72
  5. Step 5: Solve for x
    x = 88,258,824.72/10,731.60
  6. Step 6: Final answer
    x = 8,224.20

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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.