Home / 8,735.80-12,056.40-5,199.02

Finding the Fourth Proportional to 8,735.80, 12,056.40 and 5,199.02

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Solution

The fourth proportional to 8,735.80, 12,056.40 and 5,199.02 is: 7,175.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,735.80 : 12,056.40 = 5,199.02 : x
  2. Step 2: Convert to fraction form
    8,735.80/12,056.40 = 5,199.02/x
  3. Step 3: Cross multiply
    8,735.80x = 12,056.40 × 5,199.02
  4. Step 4: Simplify right side
    8,735.80x = 62,681,464.73
  5. Step 5: Solve for x
    x = 62,681,464.73/8,735.80
  6. Step 6: Final answer
    x = 7,175.24

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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.